lib/fsExt.js
function unwatch(filePath){
    filePath = path.resolve(filePath);
    if(_fileWatchers[filePath]) _fileWatchers[filePath].close();
    delete _fileWatchers[filePath];
}
function unwatch(filePath){
    filePath = path.resolve(filePath);
    if(_fileWatchers[filePath]) _fileWatchers[filePath].close();
    delete _fileWatchers[filePath];
}
Unwatching file
@param {String} filePath