Adding fromDouble to Rational.
Compiling against glpk. Does nothing.
Adding to the matrix printing code an output stream.
Adding to the dio solver the ability to output the equalities generated from the internally generated quotients.
Adding absolute value to delta rational.
Adding printEntireModel to ArithVariables.
Autoconf glpk settings.
Adding output to error set debugging
Improving output for linear equality.
Major revision of approximate simplex solving.