Bessel function typos, references
zeta functions: fix LaTeX and give an example of calling zeta with only one argument
render code as code
provide documentation and definitions for spherical harmonics
correct some spacing preventing some code examples from displaying properly. add back a reference, some latex vs. monospace
format some inline code fragments
use "References" instead of "See Also" for external references. format links so that they are clickable
fix spacing. this example actually does not work, but was not being tested because sphinx did not recognize it as code.
pyglet in this module is for preview, not plotting; also, fix spacing for consistency with the rest of the docstring
Documentation improved
Merge pull request #11 from raoulb/error_merge

Error merge
Little changes to the tutorial
Merge pull request #1703 from idlike2dream/error

Implementation of erfc, erfi, erf2, erfinv, erfcinv, erfiinv, erf2inv functions.
latex(): Separate numbers with \cdot by default.

Fixes issue 3740: Don't use \times in latex
http://code.google.com/p/sympy/issues/detail?id=3740
latex(): Print True/False as latex mathrm.

Also prevent IPython from printing True/False as latex at all.

Fixes issue 3757: True and False in latex
http://code.google.com/p/sympy/issues/detail?id=3757
latex(): Add empty {} argument to array printing.

Fixes issue 3861: latex(Matrix, mat_str='array') misses first element
http://code.google.com/p/sympy/issues/detail?id=3861
Merge pull request #2153 from asmeurer/__long__

Implement __long__
Solutions for linear diophantine equations with two variables are implemented
risch: factor out common expression.
risch: Fix WrongResult for x*exp(-k*x).

Fix issue 3886: Incorrect Piecewise result from risch_integrate
http://code.google.com/p/sympy/issues/detail?id=3886