modify .gitignore

Merge remote-tracking branch 'origin/master'

# Conflicts:
#	package.json

Merge remote-tracking branch 'origin/master'

# Conflicts:
#	package.json

raise version to 0.3.2

fix define primary keys in mysql and sqlite adapters

up version to 0.2.9

update ver. 0.2.8

fix parse json

Merge pull request biggora#76 from Justkant/master

Update rethinkdb adapter

modify readme