Merge pull request #17 from trevan/master

Handle files that are deleted and recreated

lib/DirectoryWatcher.js

@@ -102,6 +102,7 @@ DirectoryWatcher.prototype.setFileTime = function setFileTime(filePath, mtime, i
 			});
 		}
 	} else if(!initial && !mtime) {
+		delete this.files[filePath];
 		if(this.watchers[withoutCase(filePath)]) {
 			this.watchers[withoutCase(filePath)].forEach(function(w) {
 				w.emit("remove");