Remove superfluous file
Remember that node leaves are not strings

Fixes commit 1a102642
Remember to expose System.Rational

Should have been part of commit 1a102642
Implement appropriate overloads for System.Integer and System.Rational to interoperate with each other
WIP Rational property lookup breaks after resolving System.Rational.@.==

NOTE Run failing test with `rspec --format documentation --order defined`