refactor

src/maze/mz_blocks.scad

@@ -1,8 +1,9 @@
 use <_impl/_mz_blocks_impl.scad>;
+use <mz_initialize.scad>;
 
 function mz_blocks(start, rows, columns, maze, x_circular = false, y_circular = false, seed) = 
     go_maze( 
         start[0], start[1],   // starting point
-        is_undef(maze) ? starting_maze(rows, columns) : maze,  
+        is_undef(maze) ? mz_initialize(rows, columns) : maze,  
         rows, columns, x_circular, y_circular, seed
     );