hyrodium/BasicBSpline.jl: v0.5.2

Diff since v0.5.1

Closed issues:

• expandspace sometimes doesn't produce expanded space (#169)
• Error on changebasis (#174)

Merged pull requests:

• Add expandspace_I, expandspace_R, isnondegenerate_I, isnondegenerate_R etc. (#171) (@hyrodium)
• Remove matrix inv (#173) (@hyrodium)
• Fix changebasis (#176) (@hyrodium)
• Cleanup (#178) (@hyrodium)
• Bump version to v0.5.2 (#179) (@hyrodium)