* * numbers.c (scm_integer_p): Renamed from scm_int_p; change its

*	* numbers.c (scm_integer_p): Renamed from scm_int_p; change its
	scheme name from "int?" to "integer?".  It seems to do the job.
	* numbers.h: Rename prototype too.
	* scmhob.h (intp): Change definition to refer to scm_integer_p.  I
	hope this is right.

*	* numbers.c (scm_less_p, scm_gr_p, scm_leq_p, scm_geq_p,
	scm_num_eq_p): Rename these according to R4RS conventions: call
	them <, <=, =, >, and >=, not <?, <=?, =?, >?, and >=?.  En route
	to making libguile R4RS compliant without ice-9...