make the sendError methods work without messages so upstream receives don't intercept them
bump sbt to 0.13.7, fix readme template, and add pomIncludeRepository
Merge pull request #54 from paypal/feature/sbt-0.13.7

Bump sbt to 0.13.7 and some extras
Merge pull request #52 from 2rs2ts/feature/sendError-fix

Fix sendError methods getting intercepted