Changes

; The <code>--namespaces</code> option

; The <code>--namespaces</code> option

: It was used when we didn't have /proc/pid/ns stuff, now it's useless

: It was used when we didn't have /proc/pid/ns stuff, now it's useless (will be deprecated in 2.2)

; No ids.img files

; No ids.img files

: We've been writing these files since at least v0.4

: We've been writing these files since at least v0.4 (deprecated since 2.1)

; Per-PID logs

; Per-PID logs