Release/v0.6.6 (#185)

* Feature/grscicoll (#173)

Adding support for GRSciColl institution and collection search. Updating documentation and vcr fixtures.

* Adding support for species match v2 #176 (#177)

* preparing for new version 0.6.6

* updating ver

* fixing tests and fresh cassettes

* fixing build

v0.6.5 (#165)

Update package_metadata.py

updated version

Update package_metadata.py

test version 0.6.3

Release 0.6.2.

Resolves #99.
Resolves #95.

Changes to build process for Windows compatiblity.

Update changelog for release.

bump to v0.6; update changelog

use long_description_content_type in setup.py

add note about caching to readme and link to gbifrb ruby client in re…

…adme

back to rst 😢😢😢