v0.2.13

Release ThingsGUI, a graphical interface for ThingsDB

View pull request #91 .

Changes:

• Path of .env can be provided using -env flag.
• Environment variables (THINGSGUI_ADDRESS, THINGSGUI_AUTH_METHOD, THINGSGUI_SSL, THINGSGUI_AIC) are read..
• Bug fix related to TLS setting in the login screen.