Sec7a Rewrite - Starter Initiation, Widen/Elevate

Rewrote starter initiation to replace RHW-6C and 8C starters (RHW-4 and
MIS respectively) with RHW-8S and 10S; RHW-10C will use RHW-12S
Rewrote Widen/Elevate code to be more thorough, better commented, better
structured, better^2
NOTE: Code involving RHW-12S and 10C is excluded