added type-aware attachment logic
bs4 -> beautifulsoup4
Merge branch 'master' into develop
Add support for embedded images.
Set character encoding to a non-base64 version so allow 'view source' to work better in email clients.
Add support for CC and BCC.
Add import for email.charset.
Add suppport for setting the SMTP connection timeout.
Remove default reference to smtp.gmail.com.
Merge branch 'feature/embedded_images' into develop
Merge branch 'feature/cc_bcc_support' into develop
Merge branch 'feature/timeout_support' into develop
Bump version for personal/internal use.
Merge branch 'release/0.1.2.post1'