CHANGES IN stpp VERSION 2.0.7

* Updated dependency on spatstat.explore

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CHANGES IN stpp VERSION 2.0.6

Some compatibility issues with the package spatstat have been fixed

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CHANGES IN stpp VERSION 2.0.5   

* The function 'kmmr' have been included
* The function 'kmmt' have been included
* The function 'kmr' have been included
* The function 'kmt' have been included




