Merge pull request #57 from seven-phases-max/master

Editors-and-plugins and GUI-compilers update.
Fix for #58
Merge pull request #59 from Synchro/master

Fix for #58
Document logLevel

Fixes #47, plus client options, minor cleanup and punctuation.
variables.md: updated property name interpolation section, some "standard" reformatting of the rest of the file.
Merge pull request #60 from seven-phases-max/next

Variables: added property name interpolation, reformatting