Merge branch 'release-0.1.0' into develop
added backspace support
removed extra bytes
fixed extra character when backspacing
Merge branch 'add-backspace-support' into develop
enabled use of traditional hex characters [0-9a-f]

old characters [0-9:;<=>?] still work, I think.
fixed subtraction error converting [a-f] to binary
Merge branch 'switch-to-traditional-hex-chars' into develop
updated readme for v0.2.0
Merge branch 'release-0.2.0'