Merge branch 'devel' into range_float_type

changelog.md

@@ -83,6 +83,11 @@
 
 - ``nil`` for strings/seqs is finally gone. Instead the default value for
   these is ``"" / @[]``.
+- Accessing the binary zero terminator in Nim's native strings
+  is now invalid. Internally a Nim string still has the trailing zero for
+  zero-copy interoperability with ``cstring``. Compile your code with the
+  next switch ``--laxStrings:on`` if you need a transition period.
+
 
 - Range float types, example `range[0.0 .. Inf]`. More details in language manual.