Hide docs that can’t show up in the navigation (#77)

Part of canjs/canjs#3660

src/clause.js

@@ -9,6 +9,7 @@ var clause = {};
  * new clause.Where()
  *
  * This is so we can tell what type of clause some properties are for.
+ * @hide
  */
 module.exports = clause;
 

src/compare.js

@@ -264,6 +264,7 @@ module.exports = compareHelpers = {
 	},
 	/**
 	 * Checks if A is a subset of B.  If A is a subset of B, A \ B will be undefined. But B \ A will be defined.
+	 * @hide
 	 */
 	properSubsetComparesType: function(a, b, aParent, bParent, prop, compares, options){
 		if(typeof compares === "function") {

src/set-core.js

@@ -53,6 +53,7 @@ function Translate(clause, options){
  *
  * new set.Algebra(Where(),Paginate(),Sort())
  *
+ * @hide
  */
 var Algebra = function(){
 	var clauses = this.clauses = {