[cpp] explicitly cast new args and Array.map return value
give better errors upon invalid command line class paths (closes #3190)
document isFormatExpr limitation (closes #3201)
fix tests related to float infinities (closes #3175)
also mention string interpolation limitation in Context.parse (see #3201)
[As3] generate comment into main class to compile __main__.as instead
don't generate __init__ method for extern classs if it's not used (closes #3050)
Add the missing semicolon