Initial connection migrtion to python3
Added six support for managing both python 2 and 3
Migrated exceptions to python3
Ported a lot of main code to python 3
Fixed two test failure
Migrate multisearch test to python3
Migrated bulk tests
Migrated test_[cluster,dump_curl,facets] to python3
Add missing migration files
Merge branch 'feature/python3' into develop