Do not repeatedly create empty byte arrays
Do not repeatedly create empty byte arrays

Empty byte arrays are immutable, so one can serve for everything.
Also, use uppercase to represent constants after the class
initialization is over.

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