0.8.2

Fixed

• OboDoc not implementing list methods (.append, etc.).

v0.8.1 - 2020-06-14

Changed

• Bumped fastobo to v0.9.0.
• Bumped fastobo-graphs to v0.3.0.

Added

• fastobo.id.is_valid function to check whether or not a string is a
  valid OBO identifier.