add more warnings

git-svn-id: https://svn.r-project.org/R/trunk@65988 00db46b3-68df-0310-9c12-caf00c1e9a41
add option to dget (investigate segfault in parse later)

git-svn-id: https://svn.r-project.org/R/trunk@65990 00db46b3-68df-0310-9c12-caf00c1e9a41
missing check

git-svn-id: https://svn.r-project.org/R/trunk@65991 00db46b3-68df-0310-9c12-caf00c1e9a41
dget now works

git-svn-id: https://svn.r-project.org/R/trunk@65992 00db46b3-68df-0310-9c12-caf00c1e9a41
more functions without check for a connection

git-svn-id: https://svn.r-project.org/R/trunk@65994 00db46b3-68df-0310-9c12-caf00c1e9a41