avoid signed / unsigned warnings
add a trivial cleanup script
extended blpConnect, added blpDisconnect

read host and port from options()
essentially empty no-op blpDisconnect() for compatibility
Merge pull request #1 from eddelbuettel/master

avoid some compiler warnings, and a cleanup
Merge pull request #2 from eddelbuettel/feature/extended-connect

extended blpConnect, added blpDisconnect
update bds to return single element if the repsonse is list with length == 1
version bump
add newline at EOF