Add deprecation...
Add start of match api
WIP
Install .nodes as a class property for StructuredNode subclasses
Decided this will not be needed

If one wants to query with contradicting conditions, let them (and
return None)
Temporary helper to execute query
Make .nodes accessible only via class, not instance
Fix indentation
Make .nodes a classproperty

So that on each access, a new object is created
.build_ast() does not return the object, need to call it separately
Fix WHERE statement processing and add to QueryBuilder building routine
Clean up where stmt
Add source labels on match statements
Fixed super class initialization for ArrayProperty.
Typo fix.
Merge pull request #103 from odontomachus/feature_neo4j_2_0

Feature neo4j 2 0
Tweaks for adding label to additional match
Fix up query builder
Fix up has to use where
Hide dev env