Added _every() and _some()

scripts/small.toy

@@ -1,2 +1,15 @@
-/*
+import compound;
 
+var a = [false, false, false];
+var d = ["one": false, "two": false];
+
+fn f(k, v) { return v; }
+
+print a.some(f);
+print d.some(f);
+
+a[1] = true;
+d["two"] = true;
+
+print a.some(f);
+print d.some(f);