Supports more ascii column types
Adds comments about the changes
Merge pull request #16 from NGTS/support-more-ascii-column-types

Support more ascii column types
simplify reading string columns
documented recent changes in the changelog
documented recent changes in the changelog
added **keys to the image hdu read keyword
doc on recent change and bump version
docs
docs
docs
Ignore more keywords when writing a header

These are new keywords associated with compressed tables.
some docs on the FITSHDR class
retract change; these keywords should probably be passed through
fixed bug with eval of header records

eval by default looks at locals() and globals() and matches.  But
for this purpose we just want to convert to numerical values.
bump the version
bump the version
Merge branch 'master' of github.com:dstndstn/fitsio