Fix CONSTRAINTS_DOC formatting in modeling docs
vos_catalog.py: fix use of format() for compat with python 2.6
another {} format() problem in test_cosmology
Initial commit of the fitshead script

Improved the help text

Improved the help messages and PEP8 compliance

Avoid crashing on a negative HDU extension number

Fixes Python 3 compatibility issue
Added support for EXTNAME/EXTVER HDU accessing and JSON output

removed JSON support; removed os.linesep; tolerate broken pipe errors
removed JSON support; removed os.linesep; tolerate broken pipe errors
Adds support for compressed headers + renamed to fitsheader
Adds support for compressed headers + renamed to fitsheader
Added documentation
Adds fitsheader script and documentation
Adds a test for the fitsheader script
Fixes sphinx build warnings
status -> "param_jac" in NonLinearLSQFitter
Add param_cov to fit_info
Added  documentation for `fit_info`
Added test for param_cov
fix error in errorfunc usage revealed by tests
change param_jac to cov_x, because it's not really a jacobian
Fixes nitpicks; adds test for extname given in unicode
Fixes Python 3 syntax error