Add Mike Pack & Ken Seal to gem authors list
Trim ruby-debug & pry from dependencies
Replace fakeweb with webmock for VCR
Removed unused sample code.
Silence VCR dep warnings re: Rspec macros

- Moved VCR config block to VCR support file
Update out-of-date gems
Expose VCR_CASSETTE_LIBRARY_DIR

- Prep for Rake task to clean up VCR cassettes
- Also moved vcr-specific support files to their own directory
Add Rake task to erase VCR cassettes
Add planned enhancements for 0.8.0 to Roadmap