continued fractions functionality enhanced and added to ntheory module
solved code convension errors & error raising functionality changed
global variable removed
modified the function continued_fraction_rational_number(numerator, denominator)
continued_fraction_rational_number function modified. Doctest errors resolved.
Added files from previous PR
Added separate method to Vector
pep8 for tests
reformat references and examples
Cleanup imports
Remove an arbitrary convergents restriction
continued_fraction_rational_number -> continued_fraction_iterator
continued_fraction_periodic() to handle quadratic irrational numbers
Remove continued_fraction, add tests
Add sympy.ntheory.continued_fraction to sphinx docs
Add exports for continued_fraction* to sympy.ntheory
Remove continued_fraction implementation from physics module
Merge pull request #1 from skirpichev/continued_fractions-dammina

Continued fractions for dammina
test: Add external test for ufuncify() order of arguments

See issue 2971 at https://github.com/sympy/sympy/issues/2971
autowrap: correct order of arguments, fix #2971

Someone needs to have a look at this, as I am not sure what this 'm' is
all about.