fix #14
close #15, add tests
bump version
Merge pull request #16 from yorkie/develop

add some important things into master

R=@nerru86
add PREMIUM & ENTERPRISE Properties
Merge pull request #17 from phnx47/master

add PREMIUM & ENTERPRISE Properties
close #13, just import debug module
Merge branch 'master' of https://github.com/yorkie/51degrees.node into develop
fix #12
Merge pull request #18 from 51Degreesmobi/develop

merged Develop