Bug 704525 - When you have a mix of chart types (bar charts and pie charts)

Add new procedure gnc:substring-replace-from-to

Similar to gnc:substring-replace, but offers the possibility to replace substrings in a range of occurances.
Author:    Carsten Rinke <carsten.rinke@gmx.de>

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@23143 57a11ea4-9604-0410-9ed3-97b8803252fd