rredlist v0.2.0

rredlist 0.2.0

NEW FEATURES

• New methods added to get historical assessments: rl_history()
  and rl_history_() (#8)

MINOR IMPROVEMENTS

• Fixed description of what rl_common_names does. In addition,
  clarified descriptino of what other functions do as well, whenever
  it was unclear (#12)

BUG FIXES

• Some API tokens were being blocked, fixed now (#7)
• On some operating systems (at least some versions of Windows), queries
  that included taxonomic names weren't being processed correctly. It
  is fixed now (#11)