v6.0.0

chore(release): 6.0.0 [skip ci]

6.0.0 (2020-04-20)

Bug Fixes

• apiclient: make getPOSTData again public; migrate tests to typescript (0f6ff13)
• messaging: return a specific error template in case code or description are missing (77af837)
• security: make getPOSTData private to not make it accessible from outside (639c67f)
• security: replace passwords whereever they could be used for output (1d53637)

Features

• apiclient: allow to specify additional libraries via setUserAgent (5e94ab5)
• apiclient: automaitc IDN conversion of API command parameters to punycode (38018e3)
• apiclient: set Proxy, Referer Header; High Performance Connection Setup (see README.md) (3abc0cc)
• logger: possibility to override debug mode's default logging mechanism. See README.md (e639b6a)
• response: added getCommandPlain (getting used command in plain text) (4b9d659)
• response: possibility of place holder vars in standard responses to improve error details (aa479bb)

BREAKING CHANGES

• logger: existing logging mechanism (function based) got replaced to be based on an class
  based solution