Treat jctconv as package
Alias method names are deprecated

Following method names are no longer available:
- H2K
- H2hK
- K2H
- hankaku2zenkaku
- zenkaku2hankaku
:lipstick: code formatting
Divide char. convert table to other file
Using generator also in Python 2.x
Add Hiragana and Katakana in conv_table

ゝゞ・「」。、
Add Coveralls