Merge pull request #15 from hactar/master

add interpretString function
Merge pull request #16 from hactar/master

Scale microphone image margins.
Merge pull request #17 from hactar/master

WitUploader cancels uploads before completion
very rudimentary context support, untested
tested, context recognition seems to work nicely now
removed debug log message
Merge pull request #18 from mm/master

Added (beta) support for sending requests with context
[sdk] bump to 1.2.0 + add version number + context is stateful+NSDict