Merge remote-tracking branch 'upstream/master' into ModificationsFunctions
Added test for PMGrid Functions

Added file TestPMGridFunctions.java
Merge remote-tracking branch 'upstream/master' into PMGridFunctions
Update test TestPMGridFunctions.java

Added asserts for this test and update the process file
Merge pull request #159 from ernestvegap/TestFunctionsModifications

Update TestPMGridFunctions