Prepare for 0.2.0 (#33)

Fixed typo in version number

Prepare for 0.1.5 (#29)

* Prepare for 0.1.5

* typo

Merge pull request #25 from php-http/issue-24

Allow us to reset the builder

Prepare for 0.1.3 (#19)

* Prepare for 0.1.3

* Updated changlog

Prepare for 0.1.2 release

Merge pull request #9 from php-http/Nyholm-patch-1

Added changelog for 0.1.1

Moved documentation (#6)