v3.1.5

What's Changed

• Import importlib metadata submodule by @timkpaine in #2841
• Fix integer cast expression function by @texodus in #2842
• sdist licensing follow ups by @tomjakubowski in #2843
• Update ExprTk by @ArashPartow in #2825
• Relax Table schema constructor by @texodus in #2850
• Fix perspective-workspace restore call on errored table by @texodus in #2851

Full Changelog: v3.1.4...v3.1.5