Fork channel

Create a new channel as a copy of main.

Rename channel

Rename main to:

Delete channel

Delete main? This cannot be undone.

checksum-string.test
; REQUIRES: diasdk
; RUN: llvm-pdbutil pretty -lines %p/Inputs/PrettyFuncDumperTest.pdb > %t

; CHECK: ---COMPILANDS---
; CHECK: {{.*}}\PrettyFuncDumperTest.obj
; CHECK: {{.*}}\prettyfuncdumpertest.cpp (MD5: E36B273C4D7B3D70C996387C95A6C4F7)