After 0.80 release:
    Passed INSTBINDIR to apxs when compiling mod_auth_shadow.c
    Added DECLINED return code when AuthName is not AuthShadow

After 0.81 release:
    Added #define's for max lengths of users and pws
    tested validate on a sun
    Created AuthShadow directive instead of using the AuthName

After 1.0 release:
    closed file descriptors in pipe that were remaining open.
    added more #defines to validate.h

After 1.1 release:
    added support for "require group"
    changed fprint(stderr..'s to ap_log_err's

After 1.2 release:
    added check for user's primary group id = group id with require group 
    directive 
    removed explicit restriction that validate.c be suid root.

2.0 Release:

	Modified to work with apache-2.0.43.

	Changed to use re-entrant getpwnam_r(), getgrnam_r()
	so in theory this is thread safe.  Has not been tested!

2.1 Release :
        
    Fixed so that AuthShadow off causes the require line to be
    ignored.  Changed to use apxs instead of apxs2 by default.
    
2.2 Release :
   
    Added COPYING file w/ gpl text.