Implemented visit methods for some type nodes. Added method SemanticPass2.search(). Added methods arrayOf() and arrayOf(Type) to class Type. Refactored ModuleScopeType. Added error msg UndefinedIdentifier. Added release.py.

name = dil
version = 0.1
[src/main.d]
type = binary
target = dil
version(GNU) {
  buildflags = -Isrc/ -Ldsss_objs/G/cmd.DDoc.o -Ldsss_objs/G/cmd.DDocXML.o
} else {
  buildflags = -Isrc/
}