Preperation for relase redone.
Adding ToLower and ToUpper methods for downcasing/upcasing atoms (i.e. node properties)
Allow CHILD(ReplaceMatch abc "regexp" "replace")
Allow SUBNODE(ToLower ReplaceMatch abc "regexp" "replace")
Merge branch 'master' of git://github.com/vdobler/migration
Allow spaces in regexes ind CHILD() and SUBNODE() expressions
Code cleanup (CHILD() and SUBNODE())