Updated number of lines of code.
More precise statistics on the number of lines of codes.
More general/important updates listed first in main PyPI page.
Merge branch 'master' into release
Added warning about numerical differentiation where the function is not differentiable.
Details added to wrap() on how to handle numerical derivatives where the function is not differentiable.
More precise wording in docstring.
More precise doc on NaN derivatives and uncertainties.
Merge branch 'release'