### 0.13.1 [August 3, 2015]
* Revert encrypted support

### 0.13.0 [August 3, 2015]
* Add support for encrypted transport, tests for same

### 0.12.7 [August 11th, 2014]
* Fix MRI 1.8.7 incompatibility due to RUBY_ENGINE constant

### 0.12.6 [August 11th, 2014]
* Send more agent information in hello command
* Don't require celluloid on Ruby versions that it will never support

### 0.12.5 [September 19th, 2013]
* Set license in gemspec

### 0.12.4 [September 19th, 2013]
* Instrumental doesn't officially support IPV6, prefer IPV4

### 0.12.3 [April 26th, 2013]
* Default collector is now collector.instrumentalapp.com

### 0.12.2 [February 28th, 2013]
* Allow customization of Capistrano deploy message

### 0.12.1 [July 30th, 2012]
* Hide unnecessary logging for normal/common exceptions
* LICENSE

### 0.12.0 [July 30th, 2012]
* Add timeout to socket flush, fixes rare issue on REE/Linux
* Send only one buffer full warning
* Agent instances use global logger more consistently
* Minor code cleanups
* Remove rack-middleware

### 0.11.1 [July 19th, 2012]
* Make error messages easily locatable in logs

### 0.11.0 [July 18th, 2012]
* Allow passing count to increment and gauge calls for pre-aggregated values

### 0.10.1 [July 16th, 2012]
* Fix issue with Etc not being required

### 0.10.0 [July 6th, 2012]
* Remove test mode

### 0.9.11 [July 6th, 2012]
* Allow at_exit handler to be called manually for better Resque integration
* Improved error logging

### 0.9.10 [June 29th, 2012]
* Fix flush command when there's nothing to flush
* Support system_timer and SystemTimer gems.

### 0.9.6 [April 5th, 2012]
* Documentation on reliable collection in Resque jobs
* Fix for dead lock issuew

### 0.9.5 [March 23rd, 2012]
* Defer startup of agent thread until metrics are submitted - this update is strongly recommended for anyone using Ruby Enterprise Edition in concert w/ a preforking application server (like Phusion Passenger).  See the [REE wiki page](https://github.com/expectedbehavior/instrumental_agent/wiki/Using-with-Ruby-Enterprise-Edition) for more information.
* Add .stop method for cancelling agent processing
* Changes to how defaults are processed at initialization
* Documentation for usage w/ Resque and Resque like scenarios

### 0.9.1 [March 6th, 2012]
* No longer install system_timer on Ruby 1.8.x, but warn if it's not installed

### 0.9.0 [February 20th, 2012]
* Added manual synchronous flushing command
* Fixed bug with data dropping on short-lived forks

### 0.8.3 [February 9th, 2012]
* Removing symbol to proc use for compatibility with older version of Ruby

### 0.8.2 [January 17, 2012]
* Fixing data loss issue when collector was not responding appropriately

### 0.8.1 [January 13, 2012]
* Event timing works when timed events throw exceptions

### 0.8.0 [January 10, 2012]
* Initial support for timing events.

### 0.7.2 [January 5, 2012]
* Deploy durations tracking fixed.

### 0.7.1 [January 5, 2012]
* Support for exponentially encoded float values

### 0.7 [January 2, 2012]
* .notice added to API to allow tracking project-wide events on graphs
* Added Capistrano recipe contributed by [janxious] from (https://github.com/expectedbehavior/)
* Removed Rack middleware
* Logs to STDERR instead of /dev/null
* Synchronous mode can be specified in agent initialization contributed by [janxious] from (https://github.com/expectedbehavior/)
* Added CHANGELOG :)

### 0.6.1 [December 16, 2011]
* Documentation cleanup

### 0.6 [December 13, 2011]
* Synchronous agent support to allow blocking send of metrics
* Message buffer increased to 5000
* Code cleanup

### 0.5.1 [December 12, 2011]
* instrument_server moved to instrumental_tools gem (https://github.com/expectedbehavior/instrumental_tools)

### 0.5 [December 9, 2011]
* Allow negative numbers to be submitted
* agent logger now can be configured per instance
* Better RSpec formatting for tests

### 0.4 [December 1, 2011]
* Support reconnecting on fork() for forking servers like Passenger

### 0.3 [November 17, 2011]
* Support for test_mode on agent to cause submitted metrics to be thrown away when it reaches Instrumental servers
* Fix version not being sent in agent hello
* Exceptions in agent get swallowed and reported to logger

### 0.2 [November 15, 2011]
* Refactored agent to use TCPSocket instead of EventMachine

### 0.1.6 [November 14, 2011]
* Middleware doesn't automatically inject itself into Rack middleware stack

### 0.1.5 [November 1, 2011]
* Documentation changes

### 0.1.4 [November 1, 2011]
* Documentation changes

### 0.1.3 [October 31, 2011]
* Rename the watch_server command to instrument_server
* Documentation changes

### 0.1.2 [October 30, 2011]
* Add enabled flag to control agent use in test/non-development environments
* watch_server runs every 10s

### 0.1.1 [October 27, 2011]
* Linux support for watch_server
* Documentation changes

### 0.1 [October 27, 2011]
* Initial version