Neomodel

* Fix exception message (Sam Millar)
* Use builtin items (Panos Katseas)

------------------------
* Fix either direction connect (Robin Edwards)
* Make reconnect atomic cypher operation (Panos Katseas)
* Add reconnect test case (Panos Katseas)

------------------------
* python 3.3+ support
* remove dependency on lucenequerybuilder (Robin Edwards)
* py2neo 1.5 compat and deprecations (Robin Edwards)
* JSONProperty (Panos Katseas)
* allow classes in relationship definitions (Robin Edwards)
* add SemiStructuredNode to contrib (Robin Edwards)
* refactor rel manager to use traversals (Robin Edwards)
* allow connect on rel managers of direction either (Robin Edwards)
* added experimental support for traversals (Robin Edwards)
* allow datetime without timezone to be stored (Robin Edwards)
* use cypher for delete (Robin Edwards)
* project logo (Laura Willis)
* _index_name special attribute removed (Robin Edwards)
* connect to sub class is no longer permitted (Robin Edwards)
* removed ReadOnlyNode class (Robin Edwards)

------------------------
* connect() with properties (Marianna Polatoglou)
* refresh() method (Panos Katseas)
* refactor RelationshipManager (Robin Edwards)
* NotConnected exception (Robin Edwards)
* Fix OneOrMore bug (Robin Edwards)

* Bump neomodel to 5.1.0 - full support of Neo4j version 5.x (and 4.4 LTS)
* Support higher versions of Django (> 2.2)

* Upgrade neomodel dependency to version 5.0.0
* Adds support for all Neo4j 5.x versions, and 4.4 (LTS)
* Drops support of Neo4j version 4.3 and under