Merge pull request #111 from ropensci/release

merging release to master branch, after submission to CRAN of v.0.0.3
added fresh* traits back
removed ubio_namebank test, caused errors on CRAN tests, modified tnrs function
updated tnrs function with more examples
little fix to tnrs fxn for GET method, doesn't accept any parameters
fixed tnrs
Merge pull request #112 from ropensci/master

fixed some errors, merging to release branch to push to CRAN