Peter 7374bcda25 Fixing bug with DateTime str test
An issue with local daylight savings time causes a comparison error in
some locales when checking against a hard-coded expected time string.
The DateTime primitive string representation has been updated to output
only UTC time strings.

Fixes #124
2016-04-05 14:00:14 -04:00
..
2016-04-05 14:00:14 -04:00
2016-04-05 14:00:14 -04:00
2015-11-25 12:43:40 -05:00
2016-02-09 14:13:22 -05:00
2015-12-02 12:49:59 -05:00