first crack at AccessSpec support
AccessSpec-related messages
hackishly AddAccessSpec
scripts to test tag access
implement C1G2Write
add --tx-power and --word-count args to access.py
OpSpec parameter changes after testing w/ Speedway reader
ignore unparseable TagReports
wrap decoder
fix TagReportData encoding

(and newly support OpSpecResult params in same, for READ/WRITE/KILL/etc.)
Merge branch 'master' into accessspec
Merge branch 'master' into accessspec
ModeIndex for FM0 is 0 (at least for speedway R1000)
Add tornado websocket example
Merge branch 'master' into accessspec
in 'access' script, read & write command-line args

-r N: number of 16-bit words to read
-w N: number of 16-bit words to write
parse UFHRFModeTable from capabilities

instead of assuming statically that FM0=0, M4=2, and so on
parse UFHRFModeTable from capabilities

instead of assuming statically that FM0=0, M4=2, and so on

Conflicts:
	sllurp/access.py
	sllurp/llrp.py
cleanup
default modulation -> M8