Removed many explanations in announcement and directed to web site for more info.
Removed many explanations in announcement and directed to web site for
more info.

tectronics/numexpr,ooguntola/numexpr,ooguntola/numexpr,tectronics/numexpr,Alwnikrotikz/numexpr,Alwnikrotikz/numexpr,tectronics/numexpr,ooguntola/numexpr,Alwnikrotikz/numexpr