Create HtmlParser to implement WebCrawler in instance design pattern (#16); Set user agent as CONSTANT in WebCrawler
Refactor trimScript() and getNodeList() method to use pre-created Parser object as parameter in WebCrawler (#16)
Add apache common lang library JAR
Refactor all replace() to use StringUtils.replace() in apache common lang API to test the performance (#18)
Add parse API that accepts Parser as parameter to WebCrawler (#16)
Debug for html parsing API that accepts Parser as parameter; refactor WebCrawler to reduce http request times to speed up parsing process (#16)
Merge pull request #19 from ericweic63amg/develop/webcrawler-api

Develop/webcrawler api