v0.7.0 release
Adds zarr3 support
Adds better handling of reads/writes on very large graphs:
bulk_write_modecontext handlerbulk_write_nodes,bulk_write_edges,bulk_write_graphhelper functions
Fixes some bugs:
- duplicate attribute filters removed from sql queries
- More reliable handling of nodes on upper bound of half open ROI queries
- Better reads using JOIN instead of node list when requesting ROIs. This fixes some out of memory errors on large ROI queries and is also generally faster.