Merge branch 'hotfix/gapsync'
The new receiver firmware update seems that it may have a different format, so only download if selected as data of interest.
Bump version number and name.
Remove commented out code.
Made log entire read.
Remove duplicate code.
Merge pull request #59 from nightscout/hotfix/calrecords

Hotfix/calrecords
Parse page header
Parse page header
CalSubrecords for v3 (wip)
Correct record length for cal records
Add page CRC check
Cleanup debugging logging statements
Version bump
Merge pull request #60 from nightscout/hotfix/v3calcrecs

Hotfix to parse v3 Cal records