v2.1.0

• #24 extreme mode allows a 60% perf improvement

v2.0.0

• #21 sub-child loggers, up to 20% perf improvement
• breaking change in that methods must be called on (or else bound to) the pino object

v1.1.1

• #22 fix json output

v1.1.0

• #18 Added the error
  serializer
• #17 throw when creating a
  child logger without bindings

v1.0.5

• Restored the executable functionality

v1.0.4

• README fix: the order of params in the constructor was inverted by @mcollina

v1.0.3

• Changelog in the README #16 by @davidmarkclements

v1.0.2

• improved serializer output around circular references #15 by @davidmarkclements

v1.0.1

• 6x speed increase on multi arg logs by using custom format/interpolation function instead of util.format #13 by @davidmarkclements

v1.0.0

• Child logger support #8 by @mcollina
• 5-10% performance increase #12 by @davidmarkclements
• 2.5% performance increase #11 by @davidmarkclements