akleeman/slocum — pull request #11 by ms8r (2014-03-06 11:59:26+00:00)
Title: Initialize NautAngle with fancy angle strings

NautAngle objects can now be also be initialized with strings like
S ddd mm.mmmm
- ddd mm.mmm
ddd mm ss.sss E
Will raise InvalidAngleFormat if initialization string is invalid.