Results 4 issues of sungmin kim

load a yt player once, and just change resources solve like issue #87

attr variable can be undefined in case of use "through"

available override color options cannot option 'custom' color

loaderUtils.parseQuery will be remove so 'loaderUtils.parseQuery' change to 'loaderUtils.getOptions' ``` (node:68193) DeprecationWarning: loaderUtils.parseQuery() received a non-string value which can be problematic, see https://github.com/webpack/loader-utils/issues/56 parseQuery() will be replaced with getOptions() in...