gbz80disasm: use existing labels as addresses
gbz80disasm: only track rom addresses for data
gbz80disasm: don't read data where there is none
crystal: PointerLabelToScriptPointer bank is not reversed
crystal: 2pt script commands are for wram
crystal: wram label finding
apt-cyg is not a cygwin default; rgbds was outdated; simplify rgbds install
Merge pull request #156 from yenatch/cygwin-install

More cygwin installation instructions.
use wram from outside extras
labels: hex is case-insensitive
wram.py: allow space definitions using constants
Overworld input handling
chars: ▷
clean up StartMenu
make: check wram/constants
start using relevant constants in wram.asm
SelectMenu
crystal: add more movements
version constant
MapObjects and ScriptRunning