Fixing unused variable on byte generation loop.
Merge pull request #33 from gabrielsch/fix/unused-variable

Optimizing byte generation loop
Use toString function in README

This helps illustrate that the uuidX() functions return Uuid objects,
and not strings.
Set the default timezone to avoid errors in hhvm

Added a default timezone to the bootstrap.php to fix errors in HHVM
tests, which was introduced when Travis removed the default `/etc/hhvm/php.ini`
in https://github.com/travis-ci/travis-ci/issues/2523#issuecomment-59303763
Exclude build/development tools from releases using .gitattributes
Set timezone for tests
Merge pull request #35 from jwpage/doc_toString

Use toString function in README
Merge pull request #37 from fisharebest/gitattributes

Exclude build/development tools from releases using .gitattributes
Bumping the version number to 2.7.4
Setting version in master to 2.7.x-dev
Merge branch 'master' into 2.8