Add metaKey config option. Fix JSON encoding of meta Error instance.

winstonjs / winston-loggly

A Loggly transport for winston

http://github.com/indexzero/winston-loggly

MIT License

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Open tomhaigh opened 8 years ago

tomhaigh commented 8 years ago

Fix #37:

Write properties of Error instances to JSON
Add ability to write meta object keys under a new named property (e.g. meta) in the resultant loggly message, rather than at top level (which can conflict when meta contains keys like message).