CHG: extend yaml parser to use options from symfony yaml parser
DEL: todo
ADD: re-add toString getter and setter
FIX: object parser has to ommit first entry from parsing
CHG/ADD: finishing touches to template parser
FIX: foreach has to use ->, then magic __get and __set are used
FIX: renderDateViewFunction
ADD: CallActionViewFunction and RenderThumbnailViewFunction
CHG: change template so use correct viewFunctions