renewal option --memo:XXX
refactored PegChoice
prediction level
switching byte buffer
refactoring in ParserContext
fixed stat
adding --csv parameters to specify output csv file
bugs fixing in prediction
adding prediction test
fixing bugs
fixed at inlining
fixing bugs in -O3 options
searching memo bugs
bugs fixed PegMemo
removed Object.id
refactoring
refactored object operation logging
bugs fixed memo
integrated GrammarComposer
sample/