Reverting event renaming (issue #17).

Revert "Renaming 'stopped' event to 'close' (issue #16)."

This reverts commit 988ab1bb2b96111387561cb6ae50d407766dd2b0.
Reverting event renaming (issue #17).

Revert "Renaming the 'ready' event to 'listening' (issue #15)."

This reverts commit c9e2e5434d8bbf66252621a7e904db1113fd336f.