Adds homebrew installation steps to README.
Removes trailing whitespace.
Reworked arithmetics to allow composite terms
Don't warn when using find -print0 | xargs --null
Merge pull request #172 from jbnicolai/master

Adds homebrew installation steps to README.
Updated readme
Fixed failing test
Fixed broken parsing of <( in arithmetics
Removed accidentally submotted debug code
Allow escape sequences in here documents.