bugfix break/continue
Merge pull request #51 from wakama2/codegen

bugfix codegen
rename KonohaClassPegGrammar
add KonohaNameSpaceDef
fix illegal comment
fix illegal name
rename StreamSetter to PipeStreamHandler
remove StreamGetter
add basic support shell statement
Merge pull request #52 from sekiguchi-nagisa/d-shell

Shell Syntax " ls -la " is working!!