Release notes freestyler v6.1811.21

This was a release focussed on the mailrooms export/output files. More common sense naming (less technical) of excel-files and it`s inner Workspaces.

Release summary

Mailroom Export:
Changed name of export files to format `Website-leads-[domainname.tld]-timestamp`.
Created a global file variable to easy switch file/disk/export paths, at once, in all code.

Mailroom Bugfix:
Domainname field not properly stored while exporting.