fix readme file
fix readme file again
add tests, fix POST request, add more examples
update the example URL, switch to apache v2 license
add targeted sentiment to example
added new calls for combined, image, and taxonomy
Merge pull request #1 from lineback/master

added new calls for combined, image, and taxonomy
added imagetagging call
added tests
Merge pull request #3 from lineback/master

added imagetagging call and tests for combined, taxonomy, and image extraction.
fixed inconsistency in image tagging example
Merge pull request #4 from lineback/master

fixed inconsistency in image tagging example
Added session so that subsequent calls use the same connection
Merge pull request #5 from redorb8/master

Added session so that subsequent calls use the same connection
Fixed POST data being passed in URL and broke out JSON parsing from POST
request in order to get errors passed through correctly.
Cleanup.
Merge pull request #6 from karma0/master

Fixed POST data pass-through and enhanced error handling on POST
Report output from API on error.
Merge pull request #8 from karma0/errorhandling

Report output from API on error.
Ran autopep8 on all python scripts.