Draft: builtin sorted
test added and start of timsort implementation
More timsort stuff.
timsort is compiled by closure
few bugs sorted going home
more bugs in tim sort solved.

now compiles and runs but has a wrong result.
Some more bugs tweaks done for today
Last bugs got all tests working again

ran `m dist`
Added reference to pypy license
leftover debugger statement
don't add listslice and timsort to builtin dict