searcher 0.0.3 - "Finding R"

Features

• Added search portal:
  • search_ixquick(): Searches with ixquick. (#8, #6)

Changes

• Append r programming to major search engines by default (#11, #10)
• Add ixquick as a valid engine to search_site(). (#8, #6)
• Included link to repository and bug tracker to DESCRIPTION.