Refs #8373  First pass at writing the function
Refs #8373 First pass at the unit test

modified: StretchedExpFT.py
new file:   StretchedExpFTTest.py
REfs #8373 Added comparison of fit parameters

modified:   StretchedExpFTTest.py
Refs #8373 The function is finally fitting

modified:   ../../../../plugins/functions/StretchedExpFT.py
modified:   ../functions/StretchedExpFTTest.py
Refs #8373 Finished writing the test

modified:   StretchedExpFT.py
modified:   StretchedExpFTTest.py
Refs #8373 Finalize unit test

modified: StretchedExpFT.py
Refs #8373 Inserted test name in CMakeLists

modified:   CMakeLists.txt
Refs #8373 final touches to the unit test :)

modified:   StretchedExpFTTest.py
Merge branch 'feature/8373_stretchExpFT' into develop