getFile, getUserFiles functions - commented draft code for getFiles
Files API: create (both one-shot and two-stage) and delete functions
Changes to getFile() to reflect comment by @neuroscr [Ryan Tharp(ryantharp)]
[Files API] add updateFile(); httpReq() and uses of post-img changed to post-raw since Files API scope is broader than profile images.
Merge pull request #38 from cdn/master

Start of Files API functions