Diffpy.utils

=====

**Added:**

* utility for handling the capture of username and email for diffpy applications
* __eq__ method into Diffraction_object so we can equation two instances of a diffraction object

**Changed:**

* diffraction_object.dump now adds creation time and diffpy.utils version number to the output file

**Fixed:**

* fixed inadvertent overwrite of attributes on self.insert_scattering_quantity()

====================

**Added:**

* Diffraction_objects for easier manipulations of diffraction objects
* dump method to Diffraction_object

====================

====================

====================

**Fixed:**

* Added a wx import to fix module not found error.

====================

**Added:**

* New documentation build.
* Added examples for file parsers and resampling.
* Tested for Jupyter Notebook compatibility.

**Changed:**

* Theme changed from `sphinx_py3doc_enhanced_theme` to `sphinx_rtd_theme`.
* User now warned when data_table data overwrites hdata (header) data.