Moved tests over, questionable transfer of 'class TestParsePaper1Conf… 

resolving issue #88

Transferred functions, classes, and necessary libraries that were dependent on one another.

Questionable deletion of two functions that were named the same:
*test_element_symbol2atomic_number():*
Note: function version in test_config_reader was transferred

Questionable transfer:
*class TestParsePaper1Config:*
Note: transferred from test_config_reader to test_util