Add usage info to / cleanup of changes to pyvcp
Add usage info to / cleanup of changes to pyvcp

Add usage() info. remove name and usage info from
comments. Change coding to a more standard way.

ikcalB/linuxcnc-mirror,mhaberler/machinekit,bmwiedemann/linuxcnc-mirror,bmwiedemann/linuxcnc-mirror,aschiffler/linuxcnc,araisrobo/machinekit,aschiffler/linuxcnc,araisrobo/linuxcnc,ArcEye/machinekit-testing,narogon/linuxcnc,strahlex/machinekit,kinsamanka/machinekit,kinsamanka/machinekit,EqAfrica/machinekit,yishinli/emc2,unseenlaser/machinekit,EqAfrica/machinekit,ArcEye/MK-Qt5,ianmcmahon/linuxcnc-mirror,RunningLight/machinekit,ikcalB/linuxcnc-mirror,ArcEye/MK-Qt5,narogon/linuxcnc,cnc-club/linuxcnc,ArcEye/machinekit-testing,araisrobo/linuxcnc,bmwiedemann/linuxcnc-mirror,cdsteinkuehler/linuxcnc,ArcEye/machinekit-testing,ArcEye/MK-Qt5,jaguarcat79/ILC-with-LinuxCNC,cnc-club/linuxcnc,Cid427/machinekit,unseenlaser/machinekit,EqAfrica/machinekit,cdsteinkuehler/MachineKit,unseenlaser/machinekit,yishinli/emc2,bobvanderlinden/machinekit,bobvanderlinden/machinekit,ikcalB/linuxcnc-mirror,strahlex/machinekit,bobvanderlinden/machinekit,jaguarcat79/ILC-with-LinuxCNC,kinsamanka/machinekit,araisrobo/machinekit,unseenlaser/linuxcnc,ArcEye/machinekit-testing,EqAfrica/machinekit,yishinli/emc2,bobvanderlinden/machinekit,yishinli/emc2,strahlex/machinekit,mhaberler/machinekit,ikcalB/linuxcnc-mirror,unseenlaser/linuxcnc,jaguarcat79/ILC-with-LinuxCNC,ArcEye/MK-Qt5,araisrobo/linuxcnc,bobvanderlinden/machinekit,ianmcmahon/linuxcnc-mirror,jaguarcat79/ILC-with-LinuxCNC,unseenlaser/machinekit,mhaberler/machinekit,mhaberler/machinekit,kinsamanka/machinekit,ianmcmahon/linuxcnc-mirror,ArcEye/MK-Qt5,strahlex/machinekit,araisrobo/machinekit,araisrobo/linuxcnc,kinsamanka/machinekit,kinsamanka/machinekit,bmwiedemann/linuxcnc-mirror,EqAfrica/machinekit,cnc-club/linuxcnc,araisrobo/machinekit,strahlex/machinekit,aschiffler/linuxcnc,ArcEye/MK-Qt5,cdsteinkuehler/MachineKit,ianmcmahon/linuxcnc-mirror,Cid427/machinekit,bmwiedemann/linuxcnc-mirror,jaguarcat79/ILC-with-LinuxCNC,cdsteinkuehler/linuxcnc,kinsamanka/machinekit,unseenlaser/linuxcnc,mhaberler/machinekit,RunningLight/machinekit,narogon/linuxcnc,araisrobo/linuxcnc,araisrobo/machinekit,ArcEye/machinekit-testing,cdsteinkuehler/MachineKit,cnc-club/linuxcnc,cdsteinkuehler/linuxcnc,Cid427/machinekit,bobvanderlinden/machinekit,aschiffler/linuxcnc,narogon/linuxcnc,araisrobo/machinekit,araisrobo/machinekit,ArcEye/MK-Qt5,ikcalB/linuxcnc-mirror,EqAfrica/machinekit,kinsamanka/machinekit,cnc-club/linuxcnc,cnc-club/linuxcnc,unseenlaser/machinekit,aschiffler/linuxcnc,EqAfrica/machinekit,ianmcmahon/linuxcnc-mirror,unseenlaser/linuxcnc,Cid427/machinekit,cnc-club/linuxcnc,strahlex/machinekit,Cid427/machinekit,ArcEye/MK-Qt5,Cid427/machinekit,ArcEye/machinekit-testing,ikcalB/linuxcnc-mirror,RunningLight/machinekit,cdsteinkuehler/linuxcnc,unseenlaser/machinekit,ianmcmahon/linuxcnc-mirror,mhaberler/machinekit,cdsteinkuehler/linuxcnc,Cid427/machinekit,mhaberler/machinekit,narogon/linuxcnc,unseenlaser/machinekit,ArcEye/machinekit-testing,unseenlaser/machinekit,araisrobo/machinekit,araisrobo/machinekit,mhaberler/machinekit,ArcEye/machinekit-testing,cdsteinkuehler/MachineKit,ianmcmahon/linuxcnc-mirror,bobvanderlinden/machinekit,RunningLight/machinekit,Cid427/machinekit,bmwiedemann/linuxcnc-mirror,cdsteinkuehler/MachineKit,strahlex/machinekit,bmwiedemann/linuxcnc-mirror,unseenlaser/linuxcnc,RunningLight/machinekit,ikcalB/linuxcnc-mirror,RunningLight/machinekit,cdsteinkuehler/linuxcnc,EqAfrica/machinekit,RunningLight/machinekit,bobvanderlinden/machinekit,RunningLight/machinekit,cdsteinkuehler/MachineKit