implement optional variable argument/option ranges, refactor exception handling

adapt required/optional argument handling
implement bounded/unbounded variable argument handling

src/commonMain/kotlin/com/infendro/cli/exception/run/UnexpectedArgument.kt

@@ -0,0 +1,6 @@
+package com.infendro.cli.exception.run
+
+class UnexpectedArgument : RunException() {
+    override val message: String
+        get() = """unexpected argument"""
+}