Support build in directories with long names.
Allow multiple algebraics in divisors.
Add power series expanders for liouvilian functions.
Fix retraction of 'rootOf' to AlgebraicNumber.
Delete wrong special case for complex roots.
Evaluate Si(0) to 0.
Fix bad pretend in numberOfNormalPoly.
Documentation fixes.
Undo accidental change from previous commit.
Really add src/algebra/boo_db.input