Pre-populate the history completion with gsh's own variables.
treea9ae9f3c9952e468cb3e70abac2144d9f6961412
-rw-r--r-- 10 .gitignore
-rw-r--r-- 17989 COPYING
-rw-r--r-- 58 MANIFEST.in
-rw-r--r-- 2256 NEWS
-rw-r--r-- 799 README
-rw-r--r-- 180 TODO
drwxr-xr-x - bin
-rw-r--r-- 7540 gsh.1
-rwxr-xr-x 56 gsh.py
drwxr-xr-x - gsh
-rwxr-xr-x 624 release.sh
-rw-r--r-- 45 setup.cfg
-rwxr-xr-x 558 setup.py
drwxr-xr-x - tests