In C/C++, almost all index operator expressions return lvalues. We now
allow anything that doesn't look like it resolves to assigning to a
whole array object to be considered an lvalue.

Before this commit, using the index operator on containers that return
references would crash the Cython compiler.  run/tests/lvalue_refs.pyx
contains an example of code that previously crashed the compiler.

Author: Gerald Dalley

remove another reference to the old distutils build (in quickstart!) and clarify the description of the Sage notebook a bit

--HG--
extra : rebase_source : 305a362b2f79e4b7982a188ff5912a6621ea56a7

Do not abort .pxd processing due to previous unrelated errors.

They were declared as returning type `bint`, but this appears to be incorrect.

http://docs.scipy.org/doc/numpy/reference/c-api.array.html#PyArray_FROM_OTF

http://docs.scipy.org/doc/numpy/reference/c-api.array.html#PyArray_FROM_OT

Visual Studio .NET 2003, used by Python 2.5 32 bit, does not support the '__restrict' keyword.