added JMethod.InvokeFunc
sample/*.java
bugs fixed at class field
replacing ZenToken with ZToken
removed /*cast*/
replacing ZenTokenFunc with ZTokenFunc
adding @Zen to class
merge Throw, Try-catch codegeneration into jvm codegen
adding necessary annotation
renaming ZenSourceBuilder ZSourceBuilder
renaming ZenSyntax ZSyntax..
renaming Zen.. to Z..
renaming Zen.. to Z..
Visitor is an abstract class
changing interface to abstract class
refactoring ..
replacing Zen.. with Z..
replacing Zen.. with Z..
refactoring..
added AST viewer