added hexmode
bw_tool
Merge branch 'master' of https://github.com/rewolff/bw_rpi_tools
Merge branch 'master' of https://github.com/rewolff/bw_rpi_tools
Merge pull request #2 from andrewbasterfield/master

Sync usage with actually processed command line args
Thanks Andrew!
Updated readme
added easier interface for startup texts.
implemented write misc lengths mode
merged with debug code