gnu: Add ocaml-ocurl.

* gnu/pcakages/ocaml.scm (ocaml-ocurl): New variable.

gnu: Add ocaml-jsonm.

* gnu/packages/ocaml.scm (ocaml-jsonm): New variable.

gnu: Add ocaml-uutf.

* gna/packages/ocaml.scm (ocaml-uutf): New variable.

gnu: Add ocaml-uchar.

* gnu/packages/ocaml.scm (ocaml-uchar): New variable.

gnu: Add ocaml-ulex.

* gnu/packages/ocaml.scm (ocaml-ulex): New variable.

gnu: Add ocaml-xmlm.

* gnu/packages/ocaml.scm (ocaml-xmlm): New variable.

gnu: Add ocaml-bos.

* gnu/packages/ocaml.scm (ocaml-bos): New variable.

gnu: Add ocaml-fpath.

* gnu/packages/ocaml.scm (ocaml-fpath): New variable.

gnu: Add ocaml-logs.

* gnu/packages/ocaml.scm (ocaml-logs): New variable.

gnu: Add ocaml-lwt.

* gnu/packages/ocaml.scm (ocaml-lwt): New variable.

gnu: Add ocaml-ssl.

* gnu/packages/ocaml.scm (ocaml-ssl): New variable.

gnu: Add ocaml-react.

* gnu/packages/ocaml.scm (ocaml-react): New variable.

gnu: Add ocaml-ppx-tools.

* gnu/packages/ocaml.scm (ocaml-ppx-tools): New variable.

gnu: Add ocaml-alcotest.

* gnu/packages/ocaml.scm (ocaml-alcotest): New variable.

gnu: Add ocaml-astring.

* gnu/packages/ocaml.scm (ocaml-astring): New variable.

gnu: Add ocaml-fmt.

* gnu/packages/ocaml.scm (ocaml-fmt): New variable.

gnu: camlzip: Install both modules.

* gnu/packages/ocaml.scm (camlzip) [arguments]: Install both zip and camlzip
modules.

gnu: ocamlmod: Enable tests.

Followup to 93eeadf0226078a6a9ecf57f84446044b4be249b.

* gnu/packages/ocaml.scm (ocamlmod)[arguments]: Enable tests.

Problem reported by Julien Lepiller <julien@lepiller.eu>.

gnu: ocaml-ounit: Enable tests.

Followup to 7a76b4afd0ce296bb462be8cf66234e41672c285.

* gnu/packages/ocaml.scm (ocaml-ounit)[arguments]: Enable tests.

Problem reported by Julien Lepiller <julien@lepiller.eu>.

gnu: Add ocaml-cmdliner.

* gnu/packages/ocaml.scm (ocaml-cmdliner): New variable.

Signed-off-by: David Craven <david@craven.ch>