* v1.2 Updated help text of stl_boolean. Added more commands.
    * stl_area
    * stl_ascii
    * stl_bcylinder
    * stl_binary
    * stl_cylinders
    * stl_decimate
    * stl_flat
    * stl_volume
    * stl_zero
* v1.1 Fixed Makefile to properly install stl_boolean
* v1.0 release with the following commands
    * stl_empty
    * stl_cube
    * stl_sphere
    * stl_cylinder
    * stl_cone
    * stl_torus
    * stl_threads
    * stl_header
    * stl_count
    * stl_normals
    * stl_bbox
    * stl_convex
    * stl_borders
    * stl_spreadsheet
    * stl_merge
    * stl_transform
    * stl_boolean
