Add in and explain standard deviation. Closes #2.
Add license agreement and author comment.
First draft of read/write JSON recipe.
First version of converting strings to numbers
First version of read/write of files
Merge pull request #51 from zclj/master

Additions to local-io and strings
Merge Pull Request #40
Merge remote-tracking branch 'origin/pull/14'
Tweak to statistics recipe
Clarify what the standard deviation is.

Also include a link to the Wikipedia site for Standard deviation.
Fix grammatical error.
Merge pull request #52 from hyPiRion/standard-deviation

Clarify what the standard deviation is. Ref #14 and #2.
Merge #53
First version of Get files from a directory
First version of delete file
First version of copy file
First version of file properties
Update CONTRIBUTING.md to specify canonical location of recipe files
Merge pull request #61 from jcromartie/instructions

Update CONTRIBUTING.md to specify canonical location of recipe files
Adds recipe for reading/writing clojure data structures on disk