v0.7.1

BasicInterpolators v0.7.1

Diff since v0.7.0

Closed issues:

• multithreading or GPU support? (#4)

Merged pull requests:

• Fix a typo in a docstring (#5) (@npbarnes)
• Use issorted in rangecheck (#6) (@npbarnes)
• Mention ApproxFun in readme (#7) (@jishnub)