Cast `NSUInteger` to `unsigned long` for format string
Merge pull request #8 from eager/fix_compile_warning

Cast `NSUInteger` to `unsigned long` for format string
Corrected call to static macVersionNumber
Subjects send attempts to timer if unexpected status code is received by connection: didReceiveResponse:
Merge remote-tracking branch 'orig/master'

Conflicts:
	KISSMetricsAPI.m