v0.3.0

Make a crawl instance sharable among multiple scripts

• Features:
  • Added option keepAlive for browser factory.
  • Added methods BrowserProcess::getSocketUri and ProcessAwareBrowser::getSocketUri
  • Removed unused option debug
  • Added BrowserFactory::connectToBrowser
• Bug fixes:
  • (BC Break) Page navigation now allows by default that the initial loader is replaced with a new one #40