Merge pull request #1 from mdinsurance/load-cells-after-redo-undo

trigger the on change events following an undo or redo

Merge pull request #1 from mdinsurance/load-cells-after-redo-undo

trigger the on change events following an undo or redo

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Merge pull request jspreadsheet#164 from aliagamon/master

Fixed download problem

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v1.5.7

v1.5.3

v1.5.3

new version 1.5.0