Process-wide. This is what a client's logLevel argument goes through, and
it raises rather than warns: an argument is the caller's own code, unlike an
ambient MEMCO_LOG.
Parameters
level: string
One of critical, error, warning, info, debug, or
none to silence the SDK. Case and surrounding whitespace are ignored.
Returns void
Throws
MemcoConfigError If the level is not one of those names.
Set the level every SDK logger writes at.
Process-wide. This is what a client's
logLevelargument goes through, and it raises rather than warns: an argument is the caller's own code, unlike an ambientMEMCO_LOG.