new: added unit test for field accept method

new: logfc: add WithLevel

Merge pull request #18 from ssgreg/feature/with-level

add: WithLevel to stack additional level checker

Merge pull request #17 from ssgreg/new-add-go-action

Create go.yml

Merge pull request #15 from pamburus/feature/field-encoder

fix: add missing EncodeFieldStrings to FieldEncoder

Merge pull request #11 from pamburus/feature/level

new: text marshaling support for level

Merge pull request #10 from ssgreg/feature/ext-error-encoder

add: error encoder with options allowing to configure vebose field

Merge pull request #10 from ssgreg/feature/ext-error-encoder

add: error encoder with options allowing to configure vebose field

gocover -> coveralls

gocover -> coveralls