Generate YAML command list file from XLS file.
Generate YAML command list file from XLS file.

Input filename was: ISCP-V1.21_2011.xls.

This is the same protocol doc version as last time, but we fixed the parsing
of the version support information. Closes #7.

reddec/onkyo-eiscp,miracle2k/onkyo-eiscp,WoLpH/onkyo-eiscp,mrizvic/onkyo-eiscp