in-code doc updates
Merge branch 'fortran_eq'

* fortran_eq:
  in-code doc updates

Conflicts:
	docs/_build/doctrees/apidocs/f90wrap.fortran.doctree
	docs/_build/doctrees/environment.pickle
	docs/_build/html/_modules/f90wrap/fortran.html
	docs/_build/html/apidocs/f90wrap.fortran.html
	docs/_build/html/searchindex.js