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
sql parser improved for postgresql
Merge pull request #711 from wenshao/master

sql parser improved for postgresql
sql parser support revoke
Merge pull request #712 from wenshao/master

sql parser support revoke
bug fixed for issue 709
Merge pull request #713 from wenshao/master

bug fixed for issue 709
improved sql parser for sqlserver, support for xml clause
Merge pull request #714 from wenshao/master

improved sql parser for sqlserver, support for xml clause, for browse
improved sql parser for postgresql
Merge pull request #715 from wenshao/master

improved sql parser for postgresql