Lots more bug fixes for the chicken module: almost the entire test-sutie now runs

The only tests that are failing are ones that depend on std_vector.i and similar


git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@7079 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/schemerunme/li_std_string.scm

@@ -0,0 +1,17 @@
+(define x "hello")
+
+(if (not (string=? (test-value x) x))
+  (begin (error "Error 1") (exit 1)))
+
+(if (not (string=? (test-const-reference x) x))
+  (begin (error "Error 2") (exit 1)))
+
+(define y (test-pointer-out))
+(test-pointer y)
+(define z (test-const-pointer-out))
+(test-const-pointer z)
+
+(define a (test-reference-out))
+(test-reference a)
+
+(exit 0)