Update Kotlin and Coroutines

build.gradle

@@ -57,6 +57,7 @@ repositories {
 
 dependencies {
 	compile group: "org.jetbrains.kotlin", name: "kotlin-stdlib", version: kotlin_version
+	compile group: "org.jetbrains.kotlin", name: "kotlin-stdlib-jdk7", version: kotlin_version
 	compile group: "org.jetbrains.kotlin", name: "kotlin-stdlib-jdk8", version: kotlin_version
 	compile group: "org.jetbrains.kotlin", name: "kotlin-reflect", version: kotlin_version
 	compile group: "org.jetbrains", name: "annotations", version: annotations_version
@@ -75,6 +76,8 @@ shadowJar {
 	classifier = ""
 	dependencies {
 		include(dependency("org.jetbrains.kotlin:kotlin-stdlib:${kotlin_version}"))
+		include(dependency("org.jetbrains.kotlin:kotlin-stdlib-jdk7:${kotlin_version}"))
+		include(dependency("org.jetbrains.kotlin:kotlin-stdlib-jdk8:${kotlin_version}"))
 		include(dependency("org.jetbrains.kotlin:kotlin-reflect:${kotlin_version}"))
 		include(dependency("org.jetbrains:annotations:${annotations_version}"))
 		include(dependency("org.jetbrains.kotlinx:kotlinx-coroutines-core:${coroutines_version}"))

gradle.properties

@@ -1,4 +1,4 @@
-mod_version = 1.8.3
+mod_version = 1.8.4
 group = net.shadowfacts
 archivesBaseName = Forgelin
 
@@ -6,6 +6,6 @@ mc_version = 1.12.2
 mcp_mappings = snapshot_20180609
 forge_version = 14.23.4.2705
 
-kotlin_version = 1.3.40
+kotlin_version = 1.3.50
 annotations_version = 16.0.3
-coroutines_version = 1.2.1
+coroutines_version = 1.3.1