Update to x3270 3.6ga8#9

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psmet wants to merge 3 commits intosensepost:masterfrom

Commits on Nov 6, 2019

Updated the patch to work with x3270-3.6ga8, updated the wrapper to work with py3270 and the readme with indications for requirements
Pierrick Smet
committed

Commits on Nov 7, 2019

Added libssl-dev as a requirement for compiling x3270
Pierrick Smet
committed

Commits on Nov 20, 2019

added how-to
Pierrick Smet
committed