Merge pull request #8 from kunki/master

修正錯詞
luna_pinyin*: enable custom_phrase dict.
luna_pinyin: open custom_phrase as stabledb.

so that user can edit the file without running into conflits.
luna_pinyin*: disable making sentence with custom phrases.
wubi86: set max_code_length: 4
Merge pull request #9 from kunki/master

修正錯詞
terra_pinyin: 幀/+zhen1
Merge pull request #10 from kunki/master

修正錯詞&讀音
Brise 0.22 release.