Merge pull request #107 from ironchefpython/squash

squashed commits for issue 105 - test for numeric attributes
Merge pull request #109 from ironchefpython/master

Minor changes to placate jslint.
removed tidy from cheerio
Merge branch 'master' of github.com:MatthewMueller/cheerio
updated docs to remove refernce to size method
first implementation of data() function
minor style changes
Merge pull request #113 from ironchefpython/master

removed reference to size() from the readme
Test for concationation of remaining classes when one is removed
Added spaces between attributes rewritten by removeClass
Merge pull request #118 from jos3000/master

removeClass removes spaces
Added filter() with tests and updated readme
Fixed readme typo
use `_.each` and `_.map` to simplify cheerio namesakes
refactored filter() to be functional and better match function signature of map(); updated tests and readme
removed unnecessary call to _.bind from filter()
Added a toString() method
Merge pull request #120 from bensheldon/filter

Added filter() with tests and updated readme
Merge pull request #122 from bensheldon/tostring

Added a toString() method
Merge pull request #121 from davidchambers/iterators

use `_.each` and `_.map` to simplify cheerio namesakes