v1.2.1

Memento v1.2.1

Diff since v1.2.0

Closed issues:

• Julia warning triggers a MethodError when Memento config is set to substitute=true (#181)

Merged pull requests:

• Add thread id attribute to the DefaultRecord (#177) (@arnaudh)
• Make TimeZones.jl and Syslogs.jl optional dependencies (#182) (@rofinn)
• Reroute nothing stdlib mod to the root logger (#185) (@rofinn)
• Support forced re-registration (#186) (@rofinn)
• Backport stdlib mod nothing (#190) (@arnaudh)