v0.2.0

NEW FEATURES

• A set of new functions for dealing with larger data results: dump_raw_to_txt(), dump_to_rds(), and dump_raw_to_db(). They can be used with oai functions
  list_identifiers(), list_sets(), and list_records() (#9) (#15) (#21)
  thanks @mbojan

MINOR IMPROVEMENTS

• Sped up some tests (#19)
• Better description of OAI protocol in the DESCRIPTION file (#28)
• Commented about where some internal functions come from (#31)
• Import plyr for rbind.fill() (#32)
• Including now some examples using OAI-PMH with GBIF and BHL (#33)
• Better error handling! (#10) (#12) (#22) (#27) thanks @mbojan

BUG FIXES

• Fixed bug where list_identifiers() threw error when no result was found (#13)
• Dealing better with bad inputs to as parameter - stop with informative message
  now instead of failing without anything returned (#34)