services are now in a package (bug 825345)
add in SBI agreement APIs (bug 833689)
set the uid_support to the actual transaction value (bug 821906)
Merge pull request #58 from andymckay/825345

services are now in a package (bug 825345)
lxml is now in prod.txt
expose tx created and buyer fields, use pk as uri attr since prepend_urls doesn't apply to ToOneFields