Adjusts team name
Adds new Invoicing API's to supported list
Adds missing EC params and resolves #11
Adds GetUserAgreement and resolves #7
Adds UpdateAuthorization API

Resolves #13
Updates comments with docBlocks for phpDoc
Removes obsolete BetaSandbox references

Resolves #19
Updates ignored files
Fixes typo and resolves #23
Adds option for PrintHeaders
and Resolves #20
Updates WarningsReturned() and resolves #25
Adds LogResults and LogPath to PayPal config
Adds /logs to ignore
Updates logging features and resolves #17
Moves sample config to /samples directory
Adds /tutorials to ignore
Updates version tags
Fixes PrintHeaders bug in AddBankAccount()
Adds /includes to ignore