ADD new bowden length

Merge pull request prusa3d#157 from mkbel/fix_bowden_len

Fix bowden len

Merge pull request prusa3d#157 from mkbel/fix_bowden_len

Fix bowden len

Merge pull request prusa3d#132 from mkbel/fix_load_fail_continue

Fix load fail continue

Merge pull request prusa3d#111 from mkbel/add_pause_cmd

Add pause cmd

Merge pull request prusa3d#116 from mkbel/mk25_selector_hotfix

MK2.5 selector homing hot fix.

Merge pull request prusa3d#110 from mkbel/fix_drv_uvlo_read

Fix drv uvlo read