initial, interpreter needs to change to bytecode dtc
readme
generate map file also on host
readme: include more thoughts
token threading working
readme: stacks description
added support for calls
fix bitand for masking instruction codes
correct pointer adjustment after thread jump pushed to rstack
renamed index
define for hardware
remove type info from cell, fix multi-target
gdb init code for rake debug
linker flag fixes
exposed creating programs in interpreter.h made use of that in main
no more tags in cells

Arbitary length sequence support on stack dropped. Vector data will
always be in-mem, and referenced directly by address.  GC will be
necessary to reclaim anonymous data.
documented size defines
better naming of helper macros
beginnings of dictionary
fixed header deps in rakefile