devel/eric6: update to 18.08

18.08:

• General: made the activation of these internal tools configurable:
  • Template-Viewer
  • File-Browser
  • Symbols
  • Code Documentation Viewer
  • Cooperation
  • IRC
  • Numbers
• File-Browser: changed code so file-browser is always a standalone window
• Project Interfaces Browser: added actions to configure some IDL compiler options
• Shell: changed code so shell is always a standalone window
• Translator: added a translation engine for the IBM Watson Language Translator
• Web Browser (NG): added default search engine definitions for
  • Qwant
  • StartPage

18.07:

• Checkers: upgraded pyflakes to version 2.0.0
• Debugger:
  • added support of breakpoint() builtin of Python 3.7
  • added code to try to open the source file if an exception occurred in a cython .pyd file
• Git Interface: added capability to change the URL and/or user credentials for a remote repository
• pip Interface:
  • added support for the '--user' option of install and list commands
  • changed to use the new VirtualEnv Manager
• Unit Test:
  • extended the standalone unit test tool to be able to open source in an editor window
• VirtualEnv Manager:
  • added a manager for virtual environments
  • changed a few places to use the newly introduced virtual environments (Note: a new session file format and debug properties file format has been introduced)