Merge branch 'hotfix/0.4.1'
Merge branch 'release/0.4.2'
Add namespace support
Forgot commit the kind mapping
Merge branch 'feature/github-pull-17' into develop
Add inherits support, include extends(class) and implements(interface)
Merge branch 'feature/github-pull-18' into develop
Add trait support
Rearrange code, small change
Merge branch 'feature/github-pull-19' into develop
Add instruction to enable phar extension in README
Bump to v0.5
Update ChangeLog
Merge branch 'release/0.5'
Merge branch 'master' into develop
Be compatible with PHP 5.3.*

Fix techlivezheng/phpctags#20.
Merge branch 'feature/fix-github-20' into develop
Fix typo in README
Fix code indentation
Bump to v0.5.1