Tweaks for API compatibility and adding From address#1

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martinsteel wants to merge 3 commits intobudda:masterfrom mediaburst:master

+51-50

Commits on Feb 4, 2011

Added long SMS and From address support, tweaks to validation.
Martin Steel
committed
Strip leading double zero off internation format number
Martin Steel
committed
Change GSM regex to unicode character entities so it survies check-ins etc.
Martin Steel
committed