remove tailing spaces
refactor nested logic to little shorter...
easier if structure
use continue to remove unneeded nest
comment end of loops
move small else up to first line
remove unneeded else nest after a possible exit()
early return for autoload
use "is_readable" vs "file_exists"
use class exists to control that the class was loaded
fix travis config
Merge pull request #69 from ClemensSahs/clean-up-code

WIP code optimizing
Merge pull request #70 from ClemensSahs/hotfix/travis

fix travis config
add Alexa blank test
fix tests on travis
fix tests
Finish Alexa tests & fix test codecoverge and send to scrutinizer
add a AbstractTestCase and move assertFiles to test-root
make static function testable/mockable
fix autoload problem