Update lib/Rex/Group/Lookup/File.pm
rex with exit status
Typo in function add repository key (key-id => key_id)
Added is_installed function to determine if a package is installed. Same behavior like is_file, is_dir and so on.
Merge branch 'exit-status' into 0.39
Update lib/Rex/Commands/LVM.pm

More allowed chars in lvname
Match comments better
fixed PERL5LIB for #95
added possibility to build own/private module server
added authentication
check if download should be saved in a directory and append name
updated contributors, changelog and buildfiles
version update, dep update
extend server object with own methods
extend template with own functions
Fixing regex which gets name interfaces
export update_system sub
added headless support
updated version
fixed file source for module paths