[ADD] check to see if there are subplots and add a global title if not
[UPDATE] x/y axis domain calculation
[FIX] strip style check. line_data.line not defined otherwise.
[FIX] layout margin calculation. Takes into account the units of the plot.
[ADD] 50% increase in size of plot for nicer looking conversions
[DELETE] unnecessary exceptions catch
[FIX] m_data initialization outside of strip_style
[DELETE] unnecessary 4th and 5th level nesting in plotlyhelp
[ADD] markers to indicate location of differences in the compared images for fig2plotly testing
[ADD] strip vs. unstripped testing support
[FIRST] stripped testing base
[FIRST] unstripped testing base
[DELETE] directory exist catch
[CLEAN] comments
[FIRST] margins/title helper functions
[DELETE] strip on fft example
[UPDATE] version number