Merge pull request #95 from panesofglass/master

Specify the WebApiContrib dependency in the nuspec. Closes #94
Changed BasicAuthenticationHandler to use indexOf method instead a split since passwords could contain colons.

According to the RFC (http://www.ietf.org/rfc/rfc2617.txt), it is valid
for the password to contain a colon ':' character.
updated version
Added BSON to list
Added encoding parameter to PlainTextFormatter to support encodings other than default
Merge pull request #98 from Lugoues/master

Added encoding parameter to PlainTextFormatter
updated version