Removed the use of context manager in requests to maintain backwards compatibility with older requests versions.

Fixes:

• Added better handling of missing file name for attachments.

New Features:

• Support for threads.
• Added a compress_folder option to allow users to choose whether or not to create the compressed archive.
• Removed the overwrite_folder option since it had effect.

Fixes:

• Text archives were missing a space between the e-mail and timestamp.