1.2

Upsert and delete support (#20)

* fix for bad query to get asset ids

* fix for bad insert_timestamp sparql

* extract source_id and source_id_type ready for delete

* added delete methods for UPSERT

* fixes

* fixes

* send delete to index service

* tidy up

* do real deletes

* fix delete queries

* only update exact asset matches

* id and id_type encoding fixes

* crude fix for time slip between services server and blazegraph.
NOW() is used on lastmodified insert, but python time used in query

* first attempt at wiring up DELETE

* deletes fixes

* Bumped version

1.1.3

gitignore update

1.1.2

Fixed paging logic

1.1.1

Update version for release

1.1.0

1.1.0

1.0.10

1.0.10

1.0.9

1.0.9

1.0.8

1.0.8

1.0.7

Update version for release

1.0.6

Update __init__.py