diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..a0bacc2
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "app/src/main/cpp/3rdparty/json"]
+	path = app/src/main/cpp/3rdparty/json
+	url = https://github.com/nlohmann/json
diff --git a/.idea/libraries/Gradle__com_ealva_ealvalog_0_3_0_jar.xml b/.idea/libraries/Gradle__com_ealva_ealvalog_0_3_0_jar.xml
deleted file mode 100644
index 19f7429..0000000
--- a/.idea/libraries/Gradle__com_ealva_ealvalog_0_3_0_jar.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="Gradle: com.ealva:ealvalog:0.3.0@jar">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.ealva/ealvalog/0.3.0/cea6faf07e4bd965413d0c3139a5f3682c4d92a2/ealvalog-0.3.0.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.ealva/ealvalog/0.3.0/128960dac443f3cfe33ac9e26382b3118b426899/ealvalog-0.3.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__com_ealva_ealvalog_0_5_0_jar.xml b/.idea/libraries/Gradle__com_ealva_ealvalog_0_5_0_jar.xml
new file mode 100644
index 0000000..5d55433
--- /dev/null
+++ b/.idea/libraries/Gradle__com_ealva_ealvalog_0_5_0_jar.xml
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: com.ealva:ealvalog:0.5.0@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.ealva/ealvalog/0.5.0/9ac5b435edc23482abd2815884805352820e4038/ealvalog-0.5.0.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.ealva/ealvalog/0.5.0/2453dea7c06fff7c32d8b550f7fd7f71dfb1f984/ealvalog-0.5.0-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.ealva/ealvalog/0.5.0/e2e8d3bb3de1923f7a5be89e5f65a0ca6f81b68/ealvalog-0.5.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__com_ealva_ealvalog_android_0_3_0_aar.xml b/.idea/libraries/Gradle__com_ealva_ealvalog_android_0_3_0_aar.xml
deleted file mode 100644
index 3e34aa9..0000000
--- a/.idea/libraries/Gradle__com_ealva_ealvalog_android_0_3_0_aar.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<component name="libraryTable">
-  <library name="Gradle: com.ealva:ealvalog-android:0.3.0@aar">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/transforms-1/files-1.1/ealvalog-android-0.3.0.aar/fd8655da87546f4600999799d976bb76/jars/classes.jar!/" />
-      <root url="file://$USER_HOME$/.gradle/caches/transforms-1/files-1.1/ealvalog-android-0.3.0.aar/fd8655da87546f4600999799d976bb76/res" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.ealva/ealvalog-android/0.3.0/6469b1a2d19a05fb18ded5540c5ce94728e31fa6/ealvalog-android-0.3.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__com_ealva_ealvalog_android_0_5_0_aar.xml b/.idea/libraries/Gradle__com_ealva_ealvalog_android_0_5_0_aar.xml
new file mode 100644
index 0000000..88f14d2
--- /dev/null
+++ b/.idea/libraries/Gradle__com_ealva_ealvalog_android_0_5_0_aar.xml
@@ -0,0 +1,14 @@
+<component name="libraryTable">
+  <library name="Gradle: com.ealva:ealvalog-android:0.5.0@aar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/14f7b363c26cd4b5daeafb392a51f3c3/ealvalog-android-0.5.0/jars/classes.jar!/" />
+      <root url="file://$USER_HOME$/.gradle/caches/transforms-2/files-2.1/14f7b363c26cd4b5daeafb392a51f3c3/ealvalog-android-0.5.0/res" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.ealva/ealvalog-android/0.5.0/5e587d4a961a30028dcd4a88b5dea1f317208160/ealvalog-android-0.5.0-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.ealva/ealvalog-android/0.5.0/944e7fc4d3aa1fc6aed70546c5e96a8aaf2db13a/ealvalog-android-0.5.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__com_ealva_ealvalog_core_0_3_0_jar.xml b/.idea/libraries/Gradle__com_ealva_ealvalog_core_0_3_0_jar.xml
deleted file mode 100644
index 5de757f..0000000
--- a/.idea/libraries/Gradle__com_ealva_ealvalog_core_0_3_0_jar.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="Gradle: com.ealva:ealvalog-core:0.3.0@jar">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.ealva/ealvalog-core/0.3.0/84ac9309ccdf8667a2f2692aeffa5de76961dc12/ealvalog-core-0.3.0.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.ealva/ealvalog-core/0.3.0/5303935221464835909dfb466bf790c61dcfed34/ealvalog-core-0.3.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__com_ealva_ealvalog_core_0_5_0_jar.xml b/.idea/libraries/Gradle__com_ealva_ealvalog_core_0_5_0_jar.xml
new file mode 100644
index 0000000..2bd1f86
--- /dev/null
+++ b/.idea/libraries/Gradle__com_ealva_ealvalog_core_0_5_0_jar.xml
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: com.ealva:ealvalog-core:0.5.0@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.ealva/ealvalog-core/0.5.0/b218daf48ae873b529c4e865562e6ba1d319be2f/ealvalog-core-0.5.0.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.ealva/ealvalog-core/0.5.0/209381678632970027a5174c9394f0b58e33e0b9/ealvalog-core-0.5.0-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.ealva/ealvalog-core/0.5.0/e59be27ea78b8c2ff1807cfa65cefb7df43be8d0/ealvalog-core-0.5.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__com_ealva_ealvatag_0_4_2_jar.xml b/.idea/libraries/Gradle__com_ealva_ealvatag_0_4_2_jar.xml
deleted file mode 100644
index 29c0e5c..0000000
--- a/.idea/libraries/Gradle__com_ealva_ealvatag_0_4_2_jar.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="Gradle: com.ealva:ealvatag:0.4.2@jar">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.ealva/ealvatag/0.4.2/7136882680aafa19f4d1323c71b547898b898ca5/ealvatag-0.4.2.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.ealva/ealvatag/0.4.2/608251cc0308bb2a4947235625ed74a99df1e9c1/ealvatag-0.4.2-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__com_ealva_ealvatag_0_4_3_jar.xml b/.idea/libraries/Gradle__com_ealva_ealvatag_0_4_3_jar.xml
new file mode 100644
index 0000000..d65aa0e
--- /dev/null
+++ b/.idea/libraries/Gradle__com_ealva_ealvatag_0_4_3_jar.xml
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: com.ealva:ealvatag:0.4.3@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.ealva/ealvatag/0.4.3/3c93057202a128c3dfde894b9050d043eb49d908/ealvatag-0.4.3.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.ealva/ealvatag/0.4.3/a4d7bc3f3f794d020b1f96366fc82996eeee9a5f/ealvatag-0.4.3-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.ealva/ealvatag/0.4.3/9010befb78979aa844a81dad4ee4b809416f6f08/ealvatag-0.4.3-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__com_google_code_findbugs_jsr305_1_3_9_jar.xml b/.idea/libraries/Gradle__com_google_code_findbugs_jsr305_1_3_9_jar.xml
new file mode 100644
index 0000000..dd099bf
--- /dev/null
+++ b/.idea/libraries/Gradle__com_google_code_findbugs_jsr305_1_3_9_jar.xml
@@ -0,0 +1,9 @@
+<component name="libraryTable">
+  <library name="Gradle: com.google.code.findbugs:jsr305:1.3.9@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.google.code.findbugs/jsr305/1.3.9/40719ea6961c0cb6afaeb6a921eaa1f6afd4cfdf/jsr305-1.3.9.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__com_google_errorprone_error_prone_annotations_2_0_18_jar.xml b/.idea/libraries/Gradle__com_google_errorprone_error_prone_annotations_2_0_18_jar.xml
new file mode 100644
index 0000000..90b29b1
--- /dev/null
+++ b/.idea/libraries/Gradle__com_google_errorprone_error_prone_annotations_2_0_18_jar.xml
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: com.google.errorprone:error_prone_annotations:2.0.18@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.google.errorprone/error_prone_annotations/2.0.18/5f65affce1684999e2f4024983835efc3504012e/error_prone_annotations-2.0.18.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.google.errorprone/error_prone_annotations/2.0.18/b83913bf63b4b89001fd5ab82e8167ca33c12e7c/error_prone_annotations-2.0.18-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.google.errorprone/error_prone_annotations/2.0.18/220c1232fa6d13b427c10ccc1243a87f5f501d31/error_prone_annotations-2.0.18-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__com_google_guava_guava_20_0_jar.xml b/.idea/libraries/Gradle__com_google_guava_guava_20_0_jar.xml
deleted file mode 100644
index bbfeb85..0000000
--- a/.idea/libraries/Gradle__com_google_guava_guava_20_0_jar.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="Gradle: com.google.guava:guava:20.0@jar">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.google.guava/guava/20.0/89507701249388e1ed5ddcf8c41f4ce1be7831ef/guava-20.0.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.google.guava/guava/20.0/9c8493c7991464839b612d7547d6c263adf08f75/guava-20.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__com_google_guava_guava_23_0_jar.xml b/.idea/libraries/Gradle__com_google_guava_guava_23_0_jar.xml
new file mode 100644
index 0000000..847af3a
--- /dev/null
+++ b/.idea/libraries/Gradle__com_google_guava_guava_23_0_jar.xml
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: com.google.guava:guava:23.0@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.google.guava/guava/23.0/c947004bb13d18182be60077ade044099e4f26f1/guava-23.0.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.google.guava/guava/23.0/2fa613f8f6125a8ad7c395396dc5852265ca70ef/guava-23.0-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.google.guava/guava/23.0/ed233607c5c11e1a13a3fd760033ed5d9fe525c2/guava-23.0-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__com_google_j2objc_j2objc_annotations_1_1_jar.xml b/.idea/libraries/Gradle__com_google_j2objc_j2objc_annotations_1_1_jar.xml
new file mode 100644
index 0000000..177b66d
--- /dev/null
+++ b/.idea/libraries/Gradle__com_google_j2objc_j2objc_annotations_1_1_jar.xml
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: com.google.j2objc:j2objc-annotations:1.1@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.google.j2objc/j2objc-annotations/1.1/ed28ded51a8b1c6b112568def5f4b455e6809019/j2objc-annotations-1.1.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.google.j2objc/j2objc-annotations/1.1/5d415cbe46a293283658196abdb9e6d06dc68ccf/j2objc-annotations-1.1-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.google.j2objc/j2objc-annotations/1.1/1efdf5b737b02f9b72ebdec4f72c37ec411302ff/j2objc-annotations-1.1-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__com_squareup_okio_okio_1_14_0_jar.xml b/.idea/libraries/Gradle__com_squareup_okio_okio_1_14_0_jar.xml
deleted file mode 100644
index 9c3a836..0000000
--- a/.idea/libraries/Gradle__com_squareup_okio_okio_1_14_0_jar.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="Gradle: com.squareup.okio:okio:1.14.0@jar">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.squareup.okio/okio/1.14.0/102d7be47241d781ef95f1581d414b0943053130/okio-1.14.0.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.squareup.okio/okio/1.14.0/e7c96b4fe5651490d8f3c022042940d743a3bdd9/okio-1.14.0-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__com_squareup_okio_okio_2_4_0_jar.xml b/.idea/libraries/Gradle__com_squareup_okio_okio_2_4_0_jar.xml
new file mode 100644
index 0000000..e36d3cb
--- /dev/null
+++ b/.idea/libraries/Gradle__com_squareup_okio_okio_2_4_0_jar.xml
@@ -0,0 +1,9 @@
+<component name="libraryTable">
+  <library name="Gradle: com.squareup.okio:okio:2.4.0@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/com.squareup.okio/okio/2.4.0/7e006aaf475d67f9521f04dcbe8865361300f4f1/okio-jvm-2.4.0.jar!/" />
+    </CLASSES>
+    <JAVADOC />
+    <SOURCES />
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__org_codehaus_mojo_animal_sniffer_annotations_1_14_jar.xml b/.idea/libraries/Gradle__org_codehaus_mojo_animal_sniffer_annotations_1_14_jar.xml
new file mode 100644
index 0000000..f87b444
--- /dev/null
+++ b/.idea/libraries/Gradle__org_codehaus_mojo_animal_sniffer_annotations_1_14_jar.xml
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: org.codehaus.mojo:animal-sniffer-annotations:1.14@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.codehaus.mojo/animal-sniffer-annotations/1.14/775b7e22fb10026eed3f86e8dc556dfafe35f2d5/animal-sniffer-annotations-1.14.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.codehaus.mojo/animal-sniffer-annotations/1.14/d90e19c7bc3a594aac2307bcfe9f2362ec4108ea/animal-sniffer-annotations-1.14-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.codehaus.mojo/animal-sniffer-annotations/1.14/886474da3f761d39fcbb723d97ecc5089e731f42/animal-sniffer-annotations-1.14-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_3_20_jar.xml b/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_3_20_jar.xml
deleted file mode 100644
index e7c3f2f..0000000
--- a/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_3_20_jar.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="Gradle: org.jetbrains.kotlin:kotlin-stdlib:1.3.20@jar">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-stdlib/1.3.20/eb2a232734e09fcd1b958a5c7520a93c6de38b32/kotlin-stdlib-1.3.20.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-stdlib/1.3.20/3a9a71152b278d5e36e7346554b4dbb03e565e30/kotlin-stdlib-1.3.20-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_3_50_jar.xml b/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_3_50_jar.xml
new file mode 100644
index 0000000..5116b61
--- /dev/null
+++ b/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_1_3_50_jar.xml
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: org.jetbrains.kotlin:kotlin-stdlib:1.3.50@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-stdlib/1.3.50/b529d1738c7e98bbfa36a4134039528f2ce78ebf/kotlin-stdlib-1.3.50.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-stdlib/1.3.50/acd7ffcfdebdbf05b2edba3615968b33241063ea/kotlin-stdlib-1.3.50-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-stdlib/1.3.50/bc0c767786c4a3c042a364e69d3f3dd5ff5253a5/kotlin-stdlib-1.3.50-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_common_1_3_20_jar.xml b/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_common_1_3_20_jar.xml
deleted file mode 100644
index 70d36cc..0000000
--- a/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_common_1_3_20_jar.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="Gradle: org.jetbrains.kotlin:kotlin-stdlib-common:1.3.20@jar">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-stdlib-common/1.3.20/7d7934e26ce34da1a0a8d00e38038d7cf3375e89/kotlin-stdlib-common-1.3.20.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
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-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_common_1_3_50_jar.xml b/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_common_1_3_50_jar.xml
new file mode 100644
index 0000000..3aaa3f9
--- /dev/null
+++ b/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_common_1_3_50_jar.xml
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: org.jetbrains.kotlin:kotlin-stdlib-common:1.3.50@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-stdlib-common/1.3.50/3d9cd3e1bc7b92e95f43d45be3bfbcf38e36ab87/kotlin-stdlib-common-1.3.50.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-stdlib-common/1.3.50/acd7ffcfdebdbf05b2edba3615968b33241063ea/kotlin-stdlib-common-1.3.50-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-stdlib-common/1.3.50/8ac406cf33e942265c4abb33ee0acdee79292dd6/kotlin-stdlib-common-1.3.50-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_jdk7_1_3_20_jar.xml b/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_jdk7_1_3_20_jar.xml
deleted file mode 100644
index fbc6260..0000000
--- a/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_jdk7_1_3_20_jar.xml
+++ /dev/null
@@ -1,11 +0,0 @@
-<component name="libraryTable">
-  <library name="Gradle: org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.20@jar">
-    <CLASSES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-stdlib-jdk7/1.3.20/aa17d6fd473ce53061a7b2b9d2ae96f547cae93d/kotlin-stdlib-jdk7-1.3.20.jar!/" />
-    </CLASSES>
-    <JAVADOC />
-    <SOURCES>
-      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-stdlib-jdk7/1.3.20/5a49cbde078f91493083eb35b8b44138ccfea188/kotlin-stdlib-jdk7-1.3.20-sources.jar!/" />
-    </SOURCES>
-  </library>
-</component>
\ No newline at end of file
diff --git a/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_jdk7_1_3_50_jar.xml b/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_jdk7_1_3_50_jar.xml
new file mode 100644
index 0000000..0002098
--- /dev/null
+++ b/.idea/libraries/Gradle__org_jetbrains_kotlin_kotlin_stdlib_jdk7_1_3_50_jar.xml
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Gradle: org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.50@jar">
+    <CLASSES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-stdlib-jdk7/1.3.50/50ad05ea1c2595fb31b800e76db464d08d599af3/kotlin-stdlib-jdk7-1.3.50.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-stdlib-jdk7/1.3.50/925b641f3f328a6c02cca5c327934f8de12e5747/kotlin-stdlib-jdk7-1.3.50-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$USER_HOME$/.gradle/caches/modules-2/files-2.1/org.jetbrains.kotlin/kotlin-stdlib-jdk7/1.3.50/854725f0e8cdf688647bdc9022d1b32228fefc14/kotlin-stdlib-jdk7-1.3.50-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file