--HG--
rename : tests/run/ct_DEF.pyx => tests/run/specialfloat.pyx

fixed source filename and Cython code embedding in C files, moved source file reading algorithm to Cython.Utils to make it available everywhere (and then use it everywhere)

Allow ctypedef my_struct_s my_struct_t[1] trick, can access members of my_struct_t as if it were a pointer.