Make sure to reschedule the timer if there is no retry-after.
Merge branch 'develop' of github.com:nothirst/TICoreDataSync into develop
Ensure that we create sync changes for nil relationship changes.
Change what's being logged when applying a to-one relationship change.
Set SKIP_INSTALL = YES for static libraries
Merge branch 'develop' of github.com:nothirst/TICoreDataSync into develop
Merge commit 'f0bb3b9079de1b7ea8f76ac1c08b454e35ff631a' into develop