Support filedrop_key in _upload_instant call
Add more examples to README.rst

Remove section about mediafire-cli.py since it has its own
usage output.
Use MediaFire github repo as URL
Allow importing api and uploader directly

Update documentation and examples
Update public-facing email
Work around FileDrop upload/poll respose

Fixes #7. This won't work with upload/resumable until
server side bug is fixed, but there is nothing to do
on the client side.
Work around FileDrop upload polling issue, fixes #7
Allow unsetting session_token

Also don't fail on missing ekey/pkey because those are not
required to calculate the signature and make storing token information
harder than it should be.
Allow unsetting session_token - fixes #6
Use session property instead of set_session_token
Use session property - closes #8

set_session_token is deprecated and will be removed in future
release.
Fix readme syntax, move file/zip download section
Get ready for 0.3.0 release
Client: fix upload to existing file
Client: Be explicit about destination folder key
Release 0.3.0