Merge pull request #17 from wick-ed/master

reviewed diff and tested locally
major refactoring in config, php modules and server/worker
Merge branch 'master' of https://github.com/techdivision/TechDivision_WebServer
Merge pull request #18 from zelgerj/master

major refactoring in config, php modules and server/worker
Merge branch 'master' of https://github.com/techdivision/TechDivision_WebServer
Merge pull request #19 from zelgerj/master

merge branch
fixed serverVar getter if it does not exist
Merge pull request #20 from zelgerj/master

fixed serverVar getter if it does not exist
merging upstream