Catch errors from handle_event/3 callback when about to send response.
Catch all handle_event callbacks.
New line in error message.
Merge pull request #53 from anha0825/safe_callback

Catch errors from handle_event/3 callback when about to send response.
Added link to third-party cookie implementation.
Updated README with better feature explanations.
Strip strings before converting them to integers
Dont strip strings in macros
Merge pull request #58 from chrisavl/master

Strip strings before converting to integers
Tag v0.4.1
Fix #59. If the user specifies the content length, do not add an extra Content-Length header.
Handle iolist in should_compress for middleware
Merge pull request #60 from sthadka/master

Handle iolist in should_compress for middleware
Minor cleanup.
Updated gitignore.
Added debug logging to track down travis build faults.
Build on R16.
Merge branch 'user_content_length'
Explicitly receive the expected size to get around sometimes failing tests.
Documented all events sent to user callbacks.