Version 3.1.0

Improvements:

• flywire.NeuronCriteria now works like an iterator
• synced flywire.get_neuropil_volumes with precomputed://gs://flywire_neuropil_meshes/neuropils/neuropil_mesh_v141_v6 neuroglancer source

Fixes:

• fixes a number of issues arising from numpy 2.0
• various other fixes