Abstract pool_actively_in_use to handle multipool checking for multiple uses
test_work_current: Cleanup
Bugfix: Log work updates for all active pools in multipool mode
TUI: Redesign pool info line to include share difficulties in multipool modes and last explicity work update timestamp
Hide work update messages unless explicitly enabled with hidden --verbose-work-updates flag
Merge branch 'poolinfo' into bfgminer
Bugfix: Differentiate pool_actively_desired from pool_actively_in_use for cnx_needed