Add clib-search

Adds simple `$ clib search foo` support.  Acts the same way as the node impl.

Removing `-Wextra` from CFLAGS, as gumbo-parser contains hundreds of compliation warnings.
Free wiki package
Merge branch 'master' of github.com:clibs/clib into add-clib-search

* 'master' of github.com:clibs/clib:
  Add 'install' key to package.json

Conflicts:
	package.json
Merge pull request #13 from clibs/add-clib-search

Add clib-search