regexp: use MAX_REPEAT from rpython (could fix current test failures)
adjust flake rules + fix E713 in lexer

"E129 visually indented line with same indent as next logical line" should
not be check as inside the project visually and next logical line are
separated via a empty line.

Exclude docs directory as docs/conf.py violates "E265 block comment should
start with '# '"
Mark tests that crashes the rubyspec execution

Mark all specs that are segfaulting topaz or can not be executed due
to missing language implementations.
Tagging new but not implemented specs
Merge branch 'test_failures' of git://github.com/mswart/topaz
ffi: basic struct implementation

Added enought struct and pointer support to be able to communicate
from topaz with the outer work (open socket, connect, send, recv).

This includes a basic Struct classes (e.g. to allocate and read/write
structs and there fields). Additional Pointer.get_bytes is implemented
with a small prototype (needed for Socket.recv).