Update README.md

Better to leave creating /usr/local/bin to user when it doesn't exist…

… on install--show error message and exit

Releasing 1.0.3

Releasing 1.0.2

Add ARM build targets

Update README.md

Releasing 0.9.7

update release script

Built and released 0.9.5. Updated dist/

Built and released 0.9.4. Updated dist/