ticker search OOP now and added tests

run.js

@@ -12,7 +12,7 @@ let config = {
     // is drawn before every request. empty string for no sleeping.
     sleep_range: '[1,2]',
     // which search engine to scrape
-    search_engine: 'google',
+    search_engine: 'marketwatch',
     // whether debug information should be printed
     // debug info is useful for developers when debugging
     debug: false,
@@ -20,7 +20,7 @@ let config = {
     // this output is informational
     verbose: true,
     // an array of keywords to scrape
-    keywords: ['apple tree'],
+    keywords: ['MSFT', 'AAPL'],
     // alternatively you can specify a keyword_file. this overwrites the keywords array
     keyword_file: '',
     // the number of pages to scrape for each keyword