v1.0.13: switched PerformanceDataPoint SetMin & SetMax method parameter to int…

…erface

v1.0.12

added InvalidCharacterBehavior comment

v1.0.11

added state of threshold violation

v1.0.10

fix lint

v1.0.9

added invalid character handling in output messages

v1.0.8

fix json metric/label was not escaped

v1.0.7

added duplicate metric/label to error message

v1.0.6

Corrected thresholds

v1.0.5

Changed performance data output

v1.0.4

bugfixes in performance data