Added bash string manipulation web reference URLs.
Added char by char string manipulation examples.
Fixed channel assignment for 103
Added new l-ctrl.sh into v0091 patch 03
Changed location of .getchan to be temp, so reboot clears unremoved token
Changed .getchan token reference to /run/shm volatile ram
Changed token assignment and removel to use "${T_STO}/" and hope this works.
Added grbchan.sh and fixed l-ctrl.sh to v0091 patch 03