This release merges a pull request for setting up proxies

This update replaces the urlib for requests

Improve csv file reader

This release gives back the column names of the call

to alphabantage api original name (instead of messing with them
to make them look a bit nicer)

Also implemented the get_batch_quotes call.

This release introduces a couple of changes

1* Pandas is no longer a hard requirement.
2* Some bug fixes on pandas indexing
3* Better unittesting

* Stable release building in travis

* Implement missing time series adjusted calls

* New class for foreign exchage

* Updated Documentation

Fix compability issues with simplejson in

different python versions

This release gives support for crypto currencies