1.4.12

Update fitsio dependency to v1.1.8 to address a bug related to FITS file generation.

1.4.11

Use 'U' instead of 'S' for strings remove code that tried to decode object to utf-8. See pull request: use unicode type, fix string writing

1.4.10

Fix inconsistency in version numbers. Minor updates to documentation.

1.4.9

Relax version constraints on numpy and revise documentation.

1.4.8

Full Changelog: 1.4.7...1.4.8