Update ese parser to fix timestamp bug

Added metrics for foreman updates (Velocidex#1335)

Added the "set" VQL function (Velocidex#1254)

Small bug fixes (Velocidex#1196)

Updated vtypes to fix bug. (Velocidex#1122)

Forgetting to close a copied scope.

Only show refresh button when a refresh function is set (Velocidex#1101)

Update to final 0.5.9 release (Velocidex#1065)

Fixed broken darwin build (Velocidex#1043)

Prepare for release 0.5.8 (Velocidex#1014)

Prepare for release 0.5.8 RC1 (Velocidex#997)