fix rspec func can auto run all test when no args.
make gitl -d can found deleted git files in current directory and subdirectory.
make bak -r can auto found bak files
Fix SYNC_DOT_GIT_DIRECTORY
change gitl -d output
make fetch automatic rebase origin/dev
make rebase -i auto rebase based on branch-point
make show can support deleted file as secondary args
switch_to first switch to destop 0
remove bc3 --filter args, it will make bc3 crash