Merge pull request #1 from danvk/master

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Merge pull request #2 from witsa/master

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To avoid the rising count of useless resizes : we remove the handler if it exists before re-adding it.
Adding an robustness test before using the registered events member.
Adding test for the per axis option includeZero
Allows that user specifies only one limit of valueRange and let other one to be calculated automatically, by exemple [NaN,30].
Partial auto y range : adding support of null and undefined in addition to NaN
update reference description about the partial auto range.
resize handler only added once per graph.
Resize event causes several event handlers to be be added. Make the events private, and prevent multiple registration.
Revert "To avoid the rising count of useless resizes : we remove the handler if it exists before re-adding it."

This reverts commit 194075ffc1b1c44e37e785aed7dc92e777d7d192.
Fix lint warnings.
Only print PASS when failed test count == 0. Or is that === 0?
Merge pull request #201 from kberg/lint-cleanse

Fix lint warnings.
Merge pull request #200 from kberg/resize-handler

Resize handler
Merge pull request #202 from kberg/tweak-tests

Only print PASS when failed test count == 0. Or is that === 0?
add broken test demo to show margin issues
Merge pull request #3 from danvk/master

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reference sentence rewrite
refactoring of detection of unspecified limit.