Sync up with the official version#10

Merged

kanekv merged 4 commits into

sendgrid:masterfrom

dmcguire81:master

Jan 29, 2013

Commits on Mar 1, 2012

add better exception handling to web transport
Kane Kim
committed

Commits on Apr 5, 2012

Include &user functionality (for web only)
David McGuire
committed

Commits on Jan 29, 2013

Merge branch 'master' of github.com:sendgrid/sendgrid-python
David McGuire
committed
Fix defect where filter settings overwrite instead of accumulating.
David McGuire
committed