v0.2.2

PGLib v0.2.2

Diff since v0.2.1

Merged pull requests:

• Function to get number of buses (#12) (@Robbybp)
• Update actions/cache version in CI (#13) (@Robbybp)
• better error messages in pglib_buscount (#14) (@Robbybp)
• Bump version from 0.2.1 to 0.2.2 (#15) (@noahrhodes)

Closed issues:

• Utility to get number of buses? (#11)