Merge pull request #107 from SimonGoring/master

Merge pull request #8 from ropensci/master
Merge pull request #108 from SimonGoring/master

Fixed the problem with the new S3 methods.
Merge pull request #109 from SimonGoring/master

get_site was only returning the class, not the object.
Merge pull request #111 from SimonGoring/master

Big pull, reflecting the addition of changes to the class structure in `neotoma`
Merge pull request #112 from SimonGoring/master

Fixed get_dataset to work directly with site objects.  This was the miss...
fix to remove unneeded @import of all of reshape which was causing check warnings
Merge pull request #116 from gavinsimpson/fix-namespace-check-error

fix to remove unneeded @import of all of reshape which was causing check...
quote package names in library() statements
use library() instead of require() to load packages; quote package names to load
Merge pull request #118 from gavinsimpson/tests-require

Minor fixes to how packages are loaded in tests
Add testthat and knitr to suggests as per issue #115
Merge pull request #119 from gavinsimpson/add-pkg-suggests

Add testthat and knitr to suggests as per issue #115
Merge pull request #10 from ropensci/master

Pull Gavin's changes to help repair the package into SimonGoring