add new seteps version

.gitignore

Python code/calcHREELS.py

Python code/test_seteps.py

source/f90/doeels.f90

source/f90/seteps.f90

...s/NewSeteps/Test of Drude, Lorentz and Kurosawa terms.pxp

...ms/test_doeels/Test of doeels from Fortran and Python.pxp

testprograms/test_doeels/test_doeels.f90

testprograms/test_doeels/test_doeels.py

...ms/test_seteps/Test of seteps from Fortran and Python.pxp

testprograms/test_seteps/test_seteps.f90