Open SRFIs instead of CHAR-SET-LIB and STRING-LIB.

scheme/packages.scm

@@ -415,7 +415,7 @@
   (open scsh 
 	scsh-utilities 
 	let-opt 
-	string-lib
+	srfi-13
 	receiving 
 	uri
 	scheme)
@@ -457,7 +457,7 @@
 	receiving
 	
 	ascii
-	char-set-lib
+	srfi-14
 	bitwise
 	field-reader-package
 	scheme)
@@ -467,8 +467,8 @@
   (open defrec-package
 	receiving
 	
-	string-lib
-	char-set-lib
+	srfi-13
+	srfi-14
 	uri
 	scsh-utilities
 	httpd-error
@@ -645,7 +645,7 @@
 	receiving			; receive
 	crlf-io				; write-crlf, read-crlf-line
 	rfc822				; read-rfc822-headers
-	char-set-lib			; char-set-complement, char-set:whitespace 
+	srfi-14			; char-set-complement, char-set:whitespace 
 	handle				; ignore-errors
 	conditions			; condition-stuff
 	uri