Branch: i30_pythongeometry | Intent: Create module of native Python functions to
	replace numpy functions used in eppy geometry modules
Commit Intent: Modify test_py_numeric.py to test a new 'dot' function to be created
	subsequently
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*eppy/tests/geometry_tests/test_py_numeric.py
-Renamed test functions to be more descriptive

*eppy/geometry/py_numeric.py
-Added a preliminary doc string to dot product function...
-Revised a residual variale name misassignment

**py.test: First test - PASS, Second test - PASS
**pep8: PASS
Branch: i30_pythongeometry | Intent: Create module of native Python functions to
	replace numpy functions used in eppy geometry modules
Commit Intent: Modify test_py_numeric.py to test edge cases of vctr_cross() function
---------------------------------------------------------------------------------------
*eppy/tests/geometry_tests/test_py_numeric.py
-Added a new test for failure with 2-dimentional vectors...

*eppy/geometry/py_numeric.py
-Revised calculation in assignment statement for clarity...

**py.test: PASS
**pep8: PASS
Branch: i30_pythongeometry | Intent: Create module of native Python functions to
	replace numpy functions used in eppy geometry modules
Commit Intent: Modify test_py_numeric.py to test edge cases of vctr_cross() function
---------------------------------------------------------------------------------------
*eppy/tests/geometry_tests/test_py_numeric.py
-Added a new test for failure with 2-dimentional vectors...

*eppy/geometry/py_numeric.py
-Revised calculation in assignment statement for clarity...

**py.test: PASS
**pep8: PASS