Add nl reader.
Test reading options.
Read ampl_vbtol.
More tests.
Test num_cons, simplify tests.
Test num_objs.
Fix ReadEndOfLine. More tests.
ReadInt -> ReadUInt
Test reading num_logical_cons.
Include the number of logical constraints in the total number of constraints.
Simplify tests and add a few more.
More tests.
Simplify tests.
Report AMPL library version (date) for amplgsl and use it when uploading to Google Code.