Ticket 17749 created test class for find
Ticket 17749 added tests for 'in' and 'not_in' for most field types
another test for summarize(). Other test cleanup

Get rid of additional entities (not in the config) created by tests.
Merge pull request #28 from shotgunsoftware/16942_summarize_tests

add another test for summarize(). Other test cleanup #16942
Ticket 17749 fixed bugs in tests
Ticket 17749 removed commented out code
Update Changelog for v3.0.9 release
Merge pull request #30 from shotgunsoftware/17749_support_in_filter_relation

17749 support in filter relation
adding missing import
for v3.0.9 add note about summarize() method docs
bump version string to v3.0.9 for release
clean up version data created by tests
remove duplicate Version and add field values to existing one
Updated pip installation instructions

Recommend installing specific tagged versions over master.
update version
#19830 fix sharing thumbnail from source entity with no thumbnail

no attachment id is returned when sharing a thumbnail from a source entity that has no thumbnail. This effectively clears the thumbnail on all provided entities. Catch for this and return None instead.
Update pip instructions to remove -e option

also update description of master branch
Merge pull request #31 from shotgunsoftware/19830_share_thumbnail_source_no_thumbnail

#19830 fix sharing thumbnail from source entity with no thumbnail
Support CRUD-style filters in summarize
Pull out test confirming filters for summarize must always be a list