TDMA slot ranges can now be defined using python negative index notation....

Breaking Changes

• tdma range slot notation now supports python negative indexing (relative to last slot). This means range strings must use colons only. All unit tests using the dash notation e.g. 0-100:2 have been updated to 0:100:2.

New Features / Improvements

• tdma range strings now support negative index notation
  • 0:-2:2 with num_slots=10 will expand to [0, 2, 4, 6, 8]
  • -1:-5:1 with num_slots=10 will expand to [0, 1, 2, 3, 4, 5, 9]