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diffs 0.2.0 to 0.2.3
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Not much change here. Changed default to verbose mode.  Added some
warnings for when the user chooses very large or small sync rates.
Tweaked some of the constants. Fixed a small bug with interactive
mode. Added to diagnostics/warnings. 

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diffs 0.1.0 to 0.2.0
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Added command line options and non interactive mode. 
Hence the user may simply go modeline -v 72 to get a 72hz mode
I still want to add something to handle strange choices 
such as warnings if the user asks for really wierd settings (such as
vsync 1000 or whatever) 

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diffs 0.0.1 to 0.1.0
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several improvements made to the algorithm.

Much less hard coding in the program (everything defined at the top)

Requires less of the user (they need only state the vsync and
resolution. the program gives "advice" on everything else. )

Probably some bugs added. The diagnostics should be re-written. 

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diffs 0.0.0 to 0.0.1
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use STDERR so that the program does a better job of handling
through pipelines

re-did main program as a subroutine to make it easier to implement
"TODO" items. 

improved diagnostics.