v1.2.2 build failed. 'single-line-log' should not be devDependencies.

[dongsik-yoo]

Thank you for your great plugin.

"single-line-log" should be in "dependencies" because it's required In progressBar.js

webpack-progress-ora-plugin/ProgressBar.js

Lines 1 to 3 in 0f429a5

	const slog = require('single-line-log').stdout;
	module.exports = function ProgressBar(description, bar_length, pattern) {

webpack-progress-ora-plugin/package.json

Lines 35 to 39 in 0f429a5

	"devDependencies": {
	"eslint": "^4.19.1",
	"mocha": "^5.2.0",
	"webpack": "^4.8.3",
	"single-line-log": "^1.1.2"

The below is an error I got.

Error: Cannot find module 'single-line-log'
    at Function.Module._resolveFilename (module.js:547:15)
    at Function.Module._load (module.js:474:25)
    at Module.require (module.js:596:17)
    at require (internal/module.js:11:18)
    at Object.<anonymous> (/Users/nhn/Source/dooray/task-tracker/src/main/webapp/client/bundles/node_modules/webpack-progress-ora-plugin/ProgressBar.js:1:76)
    at Module._compile (module.js:652:30)
    at Object.Module._extensions..js (module.js:663:10)
    at Module.load (module.js:565:32)
    at tryModuleLoad (module.js:505:12)
    at Function.Module._load (module.js:497:3)