Add decay dataset parsing to ensdf reader
Split record parsing into seperate functions and some pep8 changes
Add numpydocs style docstrings and use "with open()" instead of file()
Condense _get_val_err function and pre-compile all regex's
Add test for gamma_rays ensdf parser
bugfixes to ensdf parser and test case
use os.remove instead of __del__ to properly delete the temporary file
Use stringIO instead of tempfile for test_gamma_rays()
Remove debug print statement
Use assert_almost_equal to avoid floating point roundoff errors on different machines
Merge branch 'ensdf' of github.com:crbates/pyne into crbates-ensdf