Custom Sender support.
Added support for SIGNER_COMPLETE callback.
esl-7245 text anchor scaling
Updated schema.  Added support for creating a template from an existing package.
Added support for authentication tokens
esl-8301 esl-8302 esl-8316 esl-8359 Template Support, Session Update and SDK Version
Merged esl-8302 update document support.
esl-8455 update package settings
Added more document operations
Changing configuration
Reverted to using UTC.
Removed a test we aren't currently supporting.
Added a fix for supporting custom fields.
Cleaned up template creation.
Added support for trashing and archiving packages
Implemented template update
Added Add Signer, Remove Signer and Get Signer.
added some new testers for document and signer workflows
Bumped version to 10.0.3
Added support for editing sent packages