v0.13.8

ApproxFun v0.13.8

Diff since v0.13.7

Closed issues:

• Errors while evaluating Fun defined on product space with integer coefficients (#758)

Merged pull requests:

• don't use QR as a variable in tests (#794) (@jishnub)
• fix whitespace (#795) (@jishnub)
• big_str instead of parse BigFloat (#796) (@jishnub)
• Add docstring example to eigs (#797) (@jishnub)
• Remove explicit CI tests on v1.8 (#798) (@jishnub)
• improve transform/itransform docs (#799) (@jishnub)
• move show methods to dependencies (#800) (@jishnub)
• improve evaluate docstring (#801) (@jishnub)