class renaming
cleanup, documentation
re-implement restart, somewhat more elegantly
stage wrapper on the fly, fix job IDs

We don't need wget or curl anymore, the wrapper is staged over the shell
connection...
make wrapper startup safer
Merge branch 'devel' of github.com:saga-project/saga-python into devel
oops...
Merge branch 'feature/sshjob' into devel
replace builtin exec with poor-man's version, which provide better error reporting though