Merges branch 'release/0.1.0' into develop
Adds 5.2 to travis.
Removes namespaces.
Removes 5.2 from travis.
Removes duplicate php versions.
Updates Readme to reflect removal of namespaces.

[ci skip]
Bumps version to 0.2.0
Updates changelog for 0.2.0
Merges branch 'release/0.2.0'