• add linear_combination, rename evaluate to basis_function [#6]

• API redesign: take Order & OrdersTo, return SVector [#5]

• re-enable 1.1 support, fix docs links [#3]
• add show methods and improve docs [#2]
• enable docs, add is_function_family, improve coverage [#1]
• Change indexing to 1-based from 0-based.

Initial release.