code: public List<WikiPage> getWikiPagesByProject(final String projectKey) throws RedmineException {
          return transport.getChildEntries(Project.class, projectKey, WikiPage.class);
      }
docs: @param projectKey the key of the project (like "TEST-12") we want the wiki pages from
  
  @return a list of all wiki pages for the project.
  
  @since Redmine 2.2