fix spelling mistake: idimo -> idiom
modify struct idiom_entry idiom len: 9 -> 12
fix data file name
define IDIOM_WROD_COUNT WROD_LEN
modify idiom_table and idiom_entry
fix struct idiom_entry idiom len
fix CodingStyle
add pre_parse()
update innocent_demo.sh
update README.md
Merge branch 'release_0.1'