stable release with major bug fix for pip installation

• V1.6.5
  • fixing port selection from CMD for CK web service
    (ck start web --port={PORT})
  • fixing bug in Python 3 for 'ck status'
  • improving help
  • fixing bug with pip installation on Anaconda for Windows
  • fixing bug with pip installation on Linux
  • adding CK_PYTHON to change interpreter on Linux (for example python3)
• V1.6.4
  • Support ISO and human readable time during search
  • Removed ckcd and added commands "ck cd" and "ck cdc"
  • fixing print of correct host and port when changed via 'ck setup kernel --wfe'
  • adding support for 'pyperclip' to copy to clipboard
  • warn if more than one entry found when using 'cd' and 'cdc' commands
  • improving execution procedure with timeout
  • fixing problem with latest version check in 'status'
    (also checking it via GitHub)
• V1.6.3
  • fixing debian source package name to python-ck