Fixed a few bugs and formatting issues - Added arguments to the `get_visible_fields` which will always be   needed, and specifics for a particular case can be accessed through   \**kwargs - Fixed a couple of bugs: typos, a try/except issue - Fixed pep8 issues that I noticed 	modified:   opsimsummary/visualization.py
Fixed a few bugs and formatting issues
- Added arguments to the `get_visible_fields` which will always be
  needed, and specifics for a particular case can be accessed through
  \**kwargs
- Fixed a couple of bugs: typos, a try/except issue
- Fixed pep8 issues that I noticed
	modified:   opsimsummary/visualization.py

rbiswas4/simlib