Facebook-utils

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- added in corred BSD license
- merging in changes from kalilou/facebook_utils

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- updated batch process logic to be backwards compatible.

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- updated batch process logic to be backwards compatible.

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- added in ssl_verify param to __init__ and api_proxy calls

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- migrated to requests. this sucks less.

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- catching the following exceptions:
httplib.BadStatusLine
httplib.InvalidUrl
urllib2.URLError
- ensured correct ordering of exceptions caught