support ClassDef in LeafJSCodeGen
fix call expr syntax
fix shell exception
Merge pull request #43 from sekiguchi-nagisa/shell-exception

fix shell exception
fix call expr syntax
Merge branch 'master' of github.com:konoha-project/KonohaCoffee

Conflicts:
	src/org/KonohaScript/Peg/MiniKonoha/MinikonohaPegSyntax.java
fix JVM CodeGen