add store interface
add store cluster impl
add version
Merge branch 'B1.0.2' of https://github.com/hanguofeng/gocaptcha into B1.0.2
add mcstore
Skip mcstore test
Merge branch 'B1.0.2' of https://github.com/hanguofeng/gocaptcha into B1.0.2
Update .travis.yml
Add config file support in samples/http
Clean log and add Benchmark
update .travis.yml
add more control of config file
add log for test
add config support for filters
add test
Merge pull request #3 from hanguofeng/B1.0.2

B1.0.2