Revert "Bumped the minor version"
Merge pull request #816 from GrahamCampbell/revert-801-patch-1

Revert "Bumped the minor version"
Fixing CurlAdapter memory leak. Closes #813
Documenting measure. Closes #812
Changing content-disposition order to match curl. Closes #799
4.2.2 release
Using the system CA bundle by default when possible

This commit updates Guzzle to use the CA bundle packaged on the
system by default when possible. cURL will use the system CA
bundle without issue, however, PHP 5.5 and lower will still
default to the bundled CA cert. You can now pass "bundled" to
use the cacert file bundled with Guzzle.
Removing the bundled CA bundle completely

I've now removed the bundled CA bundle and will scan for a
CA bundle when using the PHP stream wrapper on PHP < 5.6.
This change will still work out of the box for most users,
but may require users on Mac or Windows to manually configure
a CA bundle using the `verify` request option or the
openssl.cafile ini setting.
Fixing typo
Some minor breaking changes and adding async future responses.
Getting tests working again. Removing more fluent interfaces.

Removing more fluent interfaces to make it easier to decorate
classes.
Adding more test coverage
Rounding out test coverage
Adding debug output
Adding debug output again
Adding a future proxy any time curl multi is used
Updating to use guzzle streams 3.0
Unsetting the deref parameter to remove references
Returning an array rather than SplObjectStorage
Using batch_future when using sendAll()