Slow fixes to doctests by running them manually
added hack-ish script to generate a doctest builder.  Not ideal, but it
works until we've come up with a better way
README and CHANGES updates for new v0.2rc
SIMBAD coordinate parser: ra.format -> ra.to_string (deprecation)
removed syntax errors from many docs
fix SIMBAD test for formatting
fix besancon examples and docstring
remove print statement
irsa_dust has a minimum query radius
IRSA dust doc fixes revealed an error in the internal unit parsing
within IRSA_dust; this fixes that parsing (hopefully...)
add a regression test for the IRSA_dust query with a coordinate input
fix OGLE callspec
fix SDSS callspec
SHA: URLs have leading/trailing whitespace that should be sanitized
gallery: wrong object name
Simbad: limit query size for excessive queries in doctests
explicitly skip doctests involving login
last fix: vizier iteration over result
notes about make_doctests, the hackiest hack in hacktown
fix doctest + skip markup
besancon string->str