Allow more than one author, as required by specification
authorThadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Sun, 12 Oct 2008 02:34:37 +0000 (23:34 -0300)
committerThadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
Sun, 12 Oct 2008 13:41:43 +0000 (10:41 -0300)
The Atom RFC allows more than one author, which we didn't. Now, an entry
have an array of authors, which can be added to or retrieved. The header
also had the wrong function names.


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