add char 4b and cleanup surrounding chars
fix calls to $1078 (PlaceString)
fix bank-checking for labels in gbz80disasm

bank 1 is not fixed like bank 0
remove redundant code from find_label in gbz80disasm
transition gbz80disasm to use a bytearray instead of RomStr
wram.py: bss and constant parsing
gbz80disasm: bank 1 was being read as bank 0
wram: find() instead of split()
gbz80disasm: read labels from wram/gbhw/hram
gbz80disasm: clean up $ff00+x handling
gbz80disasm: space out blocks of asm
gbz80disasm: reti is an ender
gbz80disasm: don't include comments on relative jumps
preprocessor: minor optimization in separate_comment
gbz80disasm: don't look for outstanding labels that are behind the origin
gbz80disasm: include comments on unresolved backward relative jumps
Merge pull request #137 from yenatch/master

gbz80disasm reads wram/gbhw/hram and spaces blocks of asm
fix data-handling errors in gfx.py
load labels only once in gbz80disasm
gfx.py: get rid of argparse