* dsm_lang:
DSM: support variables in range, e.g. range($myvar)
DSM: size($arrayname, $dst) action
added [] to chars not allowed in var names
DSM: fix for ($bar in array) for structs
DSM: parsing of "else", if conditions without []
DSM: implement for ($x in range(2, 5))
DSM: "for (x in array)" and "for (k,v in struct)"
dsm: execution reordered (small optimization)
reindent
reindent
implementation of functions in DSM
initial support for if blocks (no else)