Third step in converting to C: group
Fourth step in converting to C: ecmult
Fifth step in converting to C: ecdsa
Final step in converting to C
Small fix
move constants in field/group
Makefile tweaks
10x26 field implementation
Some group.h comments
Add field_gmp; only 64-bit platforms for now
Reorganize source tree: no .c for non-objects
Support for 32-bit limbs in field_gmp
Revamp makefile
Add obj/ directory
Use GMP's low-level routines for num (mpn_)
Some comments
public interface docs
Builtin random
Change num_mod semantics
Test improvements