kinisi-0.3.11

Changes

• Improvements to documentation (233c211)
• Add support for ions from pymatgen files (daa6e94 and 01a079a)
• Raise error if there are no species of the defined type (16ad8a8)
• Covariance matrix now only produced for max_ngp and greater (c17fef5)
• Fix off by one bug (8c5a313)
• Update to use the latest version of uravu (e8ac5e0)