enabled caller graph in Doxyfile
fixes swift-nav/piksi_firmware#90, adds missing function to header
various changes to dd calculations
partial lock counter implementation
added sdiff filter function
PR comments
PR comments
Merge pull request #53 from kovach/lock_counter

Lock counter
Merge pull request #52 from kovach/disorder

Factor out unanimous ambiguity checking from ambiguity update
turned on Werror, fixed errors
Merge pull request #58 from kovach/fix_warnings

turned on -Werror, fixed errors

Closes #8
Fix warnings when building on ARM
Merge pull request #59 from fnoble/warning_fix

Fix warnings when building on ARM

Closes #44
NAV MSG: Use explicit width / signedness types in unions
Merge pull request #61 from fnoble/union_types

Use explicit width / signedness types in unions