Add a couple of utility functions.
Bit vector.
Bit vector test.
Force-field engine for covalent links.
FF test.
Add amber99 force-field.
Initial support for covalent links.
Skip interactions from linked fragments.
Documentation.
New version for libefp2.
Add support for covalent links to efpmd.
Use atomic units in tests.
Convert int -> size_t.
Convert int -> size_t in public API.
Convert int -> size_t in tests and efpmd.
Default to developer`s config for now.
Move definitions to a proper place.
Convert int -> size_t.
MPI parallel code.
Add MPI.