Including keywords to allow better searching from npmjs.

Including keywords to allow better searching from npmjs.

Bug-fix: The type 'SUMMARY' was not properly covered.

The type SUMMARY was being treated as any other type and its values were set as undefined.

Minor fixes on the label's format.

. Fixed a bug where the separators on each metric's labels where on JSON format instead of prometheus text.

1.0.0

Initial release with the conversor and an option to add constant labels to the resulting prometheus' text.