obtaining consistency between file names and node names./ removing unnessecary nonterminal symbols.
Merge pull request #7 from Y--Tamura/test

edit "\test"
add MachineTestRunner
fix argument of Machine#run and add default case to Machine#run
Merge pull request #8 from sekiguchi-nagisa/bug-fix

fix argument of Machine#run and add default case to Machine#run
Merge pull request #9 from sekiguchi-nagisa/test

add MachineTestRunner
Add NEW and TAG. Fixed CALL
merge
Merge pull request #10 from shun-honda/ByteCode

Add NEW and TAG, Fixed CALL
fixed repetition
Merge branch 'nikuuchi' into ByteCode
Merge pull request #11 from shun-honda/ByteCode

Fixed Repetition