Bugfix: Raise TypeError instead of infinite loop when DeferredVector is passed directly to Matrix
Merge branch 'master' of git://github.com/sympy/sympy
Merge branch 'master' of git://github.com/sympy/sympy
Added Test
Fix
Travis: test against matplotlib

The matplotlib test was added to the gmpy tests. That way, we either test pure
Python, or Python+"all libraries".
Travis: install numpy (needed by mpl)
Travis: make sure numpy is installed before mpl
Merge pull request #2284 from certik/mpl

Travis: test against matplotlib
Merge pull request #1867 from mgill25/master

Raise TypeError instead of looping forever
Add Manish Gill to the AUTHORS/aboutus. Welcome to SymPy!
Merge branch 'master' of git://github.com/sympy/sympy