Scala 2.11.0-M7 upgrade.
Merge pull request #33 from adriaanm/2.11

Scala 2.11.0-M7 upgrade.
This version shouldn't be used (v0.6 for Scala 2.11.0-M7)
v0.5 for Scala 2.11.0-M7
update version to 0.7-SNAPSHOT
Workaround for SI-8091