Add initial manual integration implementation
Integration by parts, general improvements
Add documentation
Make parts rule more robust
Python 2.5 compatibility
Add manualintegrate to Integral._eval_integral
Python 2.5 compatibility (again)
Better integration with integrate()
H^2 in separate branch
incorporate feedback from pull request
Work around ODE test
Fix tests
Fix doctest
Implement rewrite as Piecewise for Abs, sign and Heaviside (issue 3478)
Cleanup _eval_rewrite_as_Heaviside() method for Abs
Add docstring to manualintegrate
Move namedtuple to compatibility
Make manualintegrate more robust with regards to u-sub variables
Theano _print_Derivative uses theano.tensor.Rop
_print_MatrixSlice -> theano.Subtensor