remove SYS_GUID, it's security.
bug fixed for WallFilter
Merge remote-tracking branch 'upstream/master'
improve WallFilter
refactor WallFilter, change permit > deny
refactor WallFilter, change permit > deny
WallFilter refactor
improve WallFilter
improve WallFilter
improve WallFilter
improve WallFilter
improve WallProvider
Merge branch 'master' of https://github.com/wenshao/druid
add testcase
bug fixed for sql parser
0.2.14-SNAPSHOT
add testcase
Merge pull request #271 from wenshao/master

增强WallFilter