Time to move logger from experimental to std ?

[Basile B.]

Hello, most of the changes made during the current year to the 
std.experimental.logger package are related to the cosmetic 
style. Isn't this a sign showing that the experimentation is 
achieved ?


Facts:
- There only 4 issues for logger - 
https://issues.dlang.org/buglist.cgi?bug_status=UNCONFIRMED&bug_status=NEW&bug_status=ASSIGNED&bug_status=REOPENED&component=phobos&f0=OP&f1=OP&f2=product&f3=component&f4=alias&f5=short_desc&f7=content&f8=CP&f9=CP&j1=OR&list_id=218035&o2=substring&o3=substring&o4=substring&o5=substring&o6=substring&o7=matches&query_format=advanced&short_desc=logger&short_desc_type=allwordssubstr&v2=logger&v3=logger&v4=logger&v5=logger&v6=logger&v7=%22logger%22
- The history, mostly style things: 
https://github.com/dlang/phobos/commits/master/std/experimental/logger