added more params for customization. spacing and line thickness of bar lines
strict outline of histogram
corrected truncation of max value of the chart
alternating bar fill color
pivot coloring
added value strings above bar height value
rejiggered properties so that the max value can be set
added second chart
started adding interest points
fixed DSBarChartInterestPoint implementation
adjusted value
added vertical line for interest point
commented out upper bound
added extra line
adjusted text
allow for no references
darkened labels for values
corrected placement of labels
moved parent view
added more columns