Preferences has default min-max values set.

However the QLineEdits are only keeping track of the last one, we would
need to have an array of them to read in order to get values from all
the boxes.
Recording total trials

Added a variable to keep track of total trials in session.
New Results Page

Old code is commented out.
New page prints tables for each algae type, will also need to include
stats.
Numbers still not hooked up right because arrays/data not set up for
multiple trials.