ESO header schemae didn't allow lists-of-strings because of an incorrect
call
Merge pull request #379 from keflavich/eso-header-schema

ESO header schema: minor fix
State dependency versions more clearly
Merge pull request #321 from cdeil/issue_321

Unicode encoding error on Python 3.2
Merge branch 'master' of github.com:astropy/astroquery into xmatch