remove wrong reference to mantepse and exposure of RECOP.
Set 1.1.0 version number.
Create 1.1.0 release branch.
Update release notes.
Minor adjustments.
add domain for computing in the Dirichlet ring.
add < and > as punctuation to the syntax table.
Print error message instead of invoking debugger.
Documentation fix.
Support graphic export in Wavefront .obj format.