Fix expression conversion in method arguments :
skip returns at the end of method, and always specify void return type
filter[xyz].empty == exists[xyz]
simplify replaceNode method
Prints casts as 'x as Type'
convert String.class to typeof(String)
Separate the syntactical changes to the XtendASTFlattener, and the
structural changes to the ConvertingVisitor
Implement converting a==b to a===b and x.equals(y) to x == y
#1 Improvements pull request