Added correct generation of visits with cookies

To be sure that Sitecore handle single session user correctly, after
first request we get Sitecore cookies(ASP.Net Session value) and other
requests use this cookies
Removed files that are not necessary

Removed bin folder from git
Removed bin folder

Removed bin folder, this files are result of compilation and are not
necessary
Removed obj folder

Removed obj folder
New package
Fixed keywords problem
Updated package with fixes for keywords