traits v0.3.0

traits 0.3.0

DEFUNCT

• Four functions are now defunct - those involving getting data
  on whether a species if native/invasive in a particular region.
  See ?traits-defunct for more information. Deprecated functions:
  eol_invasive_(), fe_native(), g_invasive(), is_native() (#72)

NEW FEATURES

• Gains new function tr_ernest for a dataset of Amniote life history
  data (#60)
• Gains new function tr_usda for the USDA plants database (#61)
• Gains new function tr_zanne for a dataset of plant growth data (#73)

MINOR IMPROVEMENTS

• Change Coral database base URL to https (#99)
• Now requiring readr > 1.0 (#76)
• Changed ncbi_*() functions to give back NA types that match
  data.frame column classes to make combining easier (#96)
• replace xml2::xml_find_one with xml2::xml_find_first throughout (#97)
• namespace all fxn calls for base pkgs, remove from Imports (#98)
• BetyDB cleanup (#25) (#77) (#82) (#88)

BUG FIXES

• Fixed birdlife* functions that needed to change URL structure
  due to changes in the Birdlife website (#100)
• Fixes to traitbank() (#79) (#80) thanks @dschlaep !
• ncbi_*() fxns now use https (#95)