vrfs-774: added upper bound to the per_page param

ruby/lib/jam_ruby/models/search.rb

@@ -150,7 +150,7 @@ module JamRuby
       end
 
       rel = rel.select(sel_str)
-      perpage = params[:per_page] || M_PER_PAGE
+      perpage = [params[:per_page] || M_PER_PAGE, 100].min
       page = [params[:page].to_i, 1].max
       rel = rel.paginate(:page => page, :per_page => perpage)
       rel.includes([:instruments, :followings, :friends])
@@ -256,7 +256,7 @@ module JamRuby
           .order('created_at DESC')
           .limit(max_count)
         if 0 < rel.count
-          yield rel
+          yield(rel)
         end
       end
     end