BUG: fixed method signatures to comply with php6' strict standards
BUG: fixed method signatures to comply with php6' strict standards

jinshana/kajonacms,artemeon/core,jinshana/kajonacms,jinshana/kajonacms,kajona/kajonacms,artemeon/core,artemeon/core,jinshana/kajonacms,jinshana/kajonacms,kajona/kajonacms,artemeon/core,jinshana/kajonacms,kajona/kajonacms,artemeon/core,kajona/kajonacms