0.7

scaladoc

• Improve README.md documentation
• Add various WDL features:
  • Optional parameters: ${String param?}
  • Postfix quantifier support: ${sep=" " File files*}
  • Declarations at the task and workflow level: Array[String] my_var
  • String interpolation "${var}.txt"
  • Array data type support
• Google JES backend

0.5

Build off the 'docs2' branch.