Release v0.38

Proposing the release. Spice-common and po files were updated as requested. Thanks to all that contributed with this release

Alexander Nezhinsky
Francesco Giudici
Francois Gouget
Frediano Ziglio
Jakub Janků
Jeffrey Wildman
Kevin Pouget
Marc-André Lureau
Snir Sheriber
Victor Toso
Yuri Benditovich