Add List<String> overloads to parse and main

clikt/src/main/kotlin/com/github/ajalt/clikt/core/CliktCommand.kt

@@ -132,18 +132,22 @@ abstract class CliktCommand constructor(
      *
      * You should use [main] instead unless you want to handle output yourself.
      */
-    fun parse(argv: Array<String>, context: Context? = null) {
-        createContext(context)
+    fun parse(argv: List<String>, parentContext: Context? = null) {
+        createContext(parentContext)
         Parser.parse(argv, this.context)
     }
 
+    fun parse(argv: Array<String>, parentContext: Context? = null) {
+        parse(argv.asList(), parentContext)
+    }
+
     /**
      * Parse the command line and print helpful output if any errors occur.
      *
      * This function calls [parse] and catches and [CliktError]s that are thrown. Other error are allowed to
      * pass through.
      */
-    fun main(argv: Array<String>) {
+    fun main(argv: List<String>) {
         try {
             parse(argv)
         } catch (e: PrintHelpMessage) {
@@ -164,6 +168,8 @@ abstract class CliktCommand constructor(
         }
     }
 
+    fun main(argv: Array<String>) = main(argv.asList())
+
     /**
      * Perform actions after parsing is complete and this command is invoked.
      *

clikt/src/main/kotlin/com/github/ajalt/clikt/parsers/Parser.kt

@@ -9,8 +9,8 @@ import com.github.ajalt.clikt.parsers.OptionParser.Invocation
 import com.github.ajalt.clikt.parsers.OptionParser.ParseResult
 
 internal object Parser {
-    fun parse(argv: Array<String>, context: Context) {
-        parse(argv.asList(), context, 0)
+    fun parse(argv: List<String>, context: Context) {
+        parse(argv, context, 0)
     }
 
     private tailrec fun parse(argv: List<String>, context: Context, startingArgI: Int) {