refactoring: remove useless calls to String.valueOf()
refactoring: remove useless calls to String.valueOf()

schwabe/cgeo,Bananeweizen/cgeo,schwabe/cgeo,brok85/cgeo,mucek4/cgeo,mucek4/cgeo,rsudev/c-geo-opensource,cgeo/cgeo,marco-dev/c-geo-opensource,KublaikhanGeek/cgeo,vishwakulkarni/cgeo,samueltardieu/cgeo,Bananeweizen/cgeo,Huertix/cgeo,xiaoyanit/cgeo,S-Bartfast/cgeo,marco-dev/c-geo-opensource,auricgoldfinger/cgeo,yummy222/cgeo,ThibaultR/cgeo,Huertix/cgeo,SammysHP/cgeo,SammysHP/cgeo,Bananeweizen/cgeo,samueltardieu/cgeo,SammysHP/cgeo,S-Bartfast/cgeo,yummy222/cgeo,ThibaultR/cgeo,superspindel/cgeo,vishwakulkarni/cgeo,cgeo/cgeo,madankb/cgeo,Huertix/cgeo,KublaikhanGeek/cgeo,superspindel/cgeo,madankb/cgeo,kumy/cgeo,mucek4/cgeo,brok85/cgeo,kumy/cgeo,lewurm/cgeo,tobiasge/cgeo,auricgoldfinger/cgeo,KublaikhanGeek/cgeo,matej116/cgeo,pstorch/cgeo,ThibaultR/cgeo,marco-dev/c-geo-opensource,superspindel/cgeo,pstorch/cgeo,auricgoldfinger/cgeo,matej116/cgeo,tobiasge/cgeo,xiaoyanit/cgeo,cgeo/cgeo,madankb/cgeo,matej116/cgeo,kumy/cgeo,lewurm/cgeo,brok85/cgeo,rsudev/c-geo-opensource,pstorch/cgeo,schwabe/cgeo,xiaoyanit/cgeo,yummy222/cgeo,S-Bartfast/cgeo,lewurm/cgeo,cgeo/cgeo,rsudev/c-geo-opensource,samueltardieu/cgeo,tobiasge/cgeo,vishwakulkarni/cgeo,schwabe/cgeo