hyrodium/BasicBSpline.jl: v0.7.1

Diff since v0.7.0

Closed issues:

• Add methods for interpolations (#235)
• Error on changebasis (#239)
• copy(::KnotVector) is not defined (#258)

Merged pull requests:

• Add copy methods with subtypes of AbstractKnotVector (#259) (@hyrodium)
• update _changebasis_sim with triangular matrix (#260) (@hyrodium)
• update _changebasis_sim with checking knot position equalities (#261) (@hyrodium)
• Bump version to v0.7.1 (#262) (@hyrodium)