Create a lexing acid test
Create a lexing acid test

The acid test tries to cover as many parsing scenarios as possible in
a single text.  I've included a partial test suite based on this text.
The next test I would have written would fail because I haven't
implemented ':-' (punctuation-only atoms).

samuell/golog,bransorem/golog,vzaramel/golog,samuell/golog,mndrix/golog,bransorem/golog,vzaramel/golog,mndrix/golog