Cleaned up bytecode data structure, some effaddr functions. Made ea an

Cleaned up bytecode data structure, some effaddr functions.  Made ea an
effaddr * instead of an effaddr to decrease size of bytecode.  Changed parser
to use effaddr * as well.  Finally fixed issue with ONE by adding flag to
bytecode.data.insn and utilizing spare bytes of the opcode.  Hackish, but
works.

svn path=/trunk/yasm/; revision=203