ctypes: remove wildcard
example: fix and update
cproto: remove wildcard
cleanup: remove wildcard

and update related to renaminge header to libmnlh
cleanup: select exporting
example: add comment

select's timeout remainding can not be acquire from python's select
api: trim for export
api: change batch method name

from next() to next_batch()
doc: update

assume exporting classes, not underlay functions