add uutils multicall binary
head: unwrap IoResult before printing
Merge pull request #196 from ebfe/fix-head

head: unwrap IoResult before printing
modified:   .gitignore
Update .gitignore
Merge pull request #197 from Heather/master

modified:   .gitignore
silence dead code warnings in multicall build
multicall: don't build true/false crates
Merge pull request #195 from ebfe/multicall

Add a multicall binary
Improve cat performance