Merge pull request #1 from wagnert/master

Minor changes + bugfixes
Merge pull request #2 from wagnert/master

Bugfixes
added .idea to ignore
Merge pull request #3 from wagnert/master

Refactoring garbage collector to use cache API instead of server context
Merge branch 'master' of https://github.com/techdivision/TechDivision_MemcacheServer
Merge pull request #4 from wagnert/master

Refactoring incr + decr actions + PHPUnit tests
Merge branch 'master' of https://github.com/techdivision/TechDivision_MemcacheServer
added server dependency
Merge pull request #5 from zelgerj/master

refactoring due to server component split off
Update composer.json
removed server as dependency
Merge branch 'master' of https://github.com/techdivision/TechDivision_MemcacheServer
removed php version 5.3
Merge pull request #6 from zelgerj/master

removed server as dependency
Update composer.json
Add temporary files created by PHPUnit tests to gitignore file
Restructure README.md