Remove unwanted documentation, add two new convolutions in DISTRO
Misc cleanup
Fix 'concat! : List % -> %' in URAGG
Fix 'construct' in MRING
Add own implementation of 'atan' and 'atanh'
Fix gcd in Factored
Add a test
fix output of 'vconcat'
fix output of 'blankSeparate'
add space before derivative in output