Modified EPScript one_of() to accept an array ref or a list of items as arguments.
(cherry picked from commit 6e0b1c6f1219fb7417110fc9e7882140c735ebd9)

Conflicts:

	perl_lib/EPrints/Script/Compiled.pm
Added unit tests for EPScript one_of()
(cherry picked from commit 207e86aabc8e4325fda51854d1fd5c09c00ade1b)
Merge pull request #255 from QUTlib/backport-6e0b1c6-207e86a

Backport 6e0b1c6 + 207e86a to 3.3