v0.2.5

RadialBasisFunctions v0.2.5

Diff since v0.2.4

Merged pull requests:

• Update CI and test tolerances (#32) (@kylebeggs)
• add some tests for basis functions (#33) (@kylebeggs)
• add print tests (#34) (@kylebeggs)
• add more test coverage for operators (#35) (@kylebeggs)