Django-pg-bulk-update

Bug fixes
1. Fixed issue https://github.com/M1hacka/django-pg-bulk-update/issues/19

Testing
1. Added PostgreSQL 10 to travis config

Bug fixes
1. Fixed issue https://github.com/M1hacka/django-pg-bulk-update/issues/16

2. modify_create_params method of AbstractSetFunction based classes is not used any more (if INSERT ... ON CONFLICT is used)

New features
1. BetweenClauseOperator
2. UnionArraySetFunction

Bug fixes
1. Fixed issue https://github.com/M1hacka/django-pg-bulk-update/issues/7

Tests
1. Some perfomance tests, mentioned in README

Fixed https://github.com/M1hacka/django-pg-bulk-update/issues/2

First release