fix for use statements without aliases
added missing import, system was not recognized
changed name separator from :: to slash (/)
removed println (was committed by accident)
added method to add public modifiers to fields and method when there are no modifiers provided
added method to get class by the declaration name
Merge branch 'master' of https://github.com/ruudvanderweijde/php-analysis
WIP refactored FillM3, put maching in uses on NameOrExr, not just on Name