Fastclick module now exposes Fastclick object instead of “attach” method

[thomask]

Fixes #120

Also listed Switchery's dependencies in package.json to prevent future issues.

[tmaly1980]

@abpetkov , can this be merged please? I can't use Switchery via webpack until it's there. I get the error mentioned in #120

[MCMatters]

@abpetkov, we ask you very much 😊