v0.3.44

ITensors v0.3.44

Diff since v0.3.43

Merged pull requests:

• [NDTensors] Add SmallVectors submodule (#1202) (@mtfishman)
• [NDTensors] Add SortedSets and TagSets (#1204) (@mtfishman)
• [NDTensors] BlockSparseArrays prototype (#1205) (@mtfishman)
• [NDTensor] Allow general objects are storage backends for Tensor (#1206) (@mtfishman)
• [ITensors] Fix checkflux for QN ITensor with no blocks (#1210) (@emstoudenmire)
• [NDTensors] Fix bugs in SortedSets and SmallVectors (#1211) (@mtfishman)

Closed issues:

• [NDTensors] [BUG] A * B contraction of NDTensors (#1201)
• [ITensors] [BUG] QN correlation matrix not working since #1178 (#1209)