v0.5.0

Fixed

• #19: @stormcat24 Use correct protocol for download url
• #24: @mozamimy Fix a typo in SplitKv function
• #30: @lalyos Fix tojson
• #39: @josegonzalez Fix sigil installation instructions
• #46: @uphy exists function never returns false on full path

Added

• #13: @lalyos Make go templating left and right delimiter customizable.
• #16: @lalyos Add substring function
• #21: @lalyos Add base64enc and base64dec functions
• #28: @lalyos Add jmespath function
• #52: @josegonzalez Release packages in CI

Changed

• @josegonzalez Upgrade to circleci 2.1
• @josegonzalez Upgrade to golang 1.13.8