Merge pull request #698 from wenshao/master

improve sql parser for postgresql
sqlwall improve
Merge pull request #699 from yakolee/master

sqlwall improve
improve sqlparser
Merge pull request #700 from yakolee/master

improve sqlparser
improve sqlparser
delete unused testcode
Merge pull request #702 from yakolee/master

improve sql parser
improve sqlparser
Merge pull request #703 from yakolee/master

improve sqlparser
1.0.10
add license
improve sqlwall
improve sqlwall
Merge pull request #708 from yakolee/master

improve sqlwall