Tweaked text and positioning in About tab.
Deleted field CGraphs::m_nGraphScale and its unnecessary logic, fixed incorrect rescaling of large transfer rates in main graph.
Converted many instances of pass-by-pointer to pass-by-reference.
Deleted unused field and method prototypes.
Simplified and tweaked logic.
Overhauled gathering and calculation of received and sent data to fix actual and potential bugs, simplified relevant code.