[misc] version bump

[add] *additional-init-codes*

[fix] windows: stream-write-string count number of #\return

This should fix the freezing behavior that was observed while
fixing #17

[doc] [misc]

[doc] update to v2.8.0

[doc] update version; mention windows and abcl

[doc] update documentation

[doc] [fix] update doc to v2.5.0 | (try to) resolve #5

To actually run the complete tests, "py4cl2-full-tests" needs to be
included in *features*, and "travis" needs to be out

[FIX] use latin-1 on windows: numpy.random loads now

update doc about types