'Suppress more negative zeros.' (PyDumper-00-01-99)

	* Tagging PyDumper-00-01-99.
	* python/Dumpers.py (dump_Threevec): Suppress more negative
	zeros.

2017-01-26  scott snyder  <snyder@bnl.gov>

	* Tagging PyDumper-00-01-98.
	* python/Dumpers.py (dump_parameters): Do not print pt/eta.
	They derive from the momentum and can print slightly differently
	depending on eigen version.