sdk F6te9uj1 - Return error message for unrecoverable errors
sdk bugfix - Set submit button appearence to disabled when field becomes invalid
sdk EiLXP2ph - Auto advances inputs in dropin fields
sdk ADf5BExl - Extract card numbers
sdk 7dzSxuXZ - Set a max length in xml for CardEditText
sdk - Don't advance to next field for last field
sdk S5zKcjH0 - Update PayPal mSDK
sdk Q5lFNtqR - Use span for expiration slash
sdk nWx8oMwJ - Bump minSdk to 10
sdk lNXXIpuG - Fix log_listener not getting killed
Release 1.2.3
Prepare for development