Fix: crash with very long numbers.
Very long nubers ( > 14 digits) now spoken as individual digits.
Fix: bracket was interfering with recognizing last-word in a clause.
Lang=el fix: all words were spoken as individual letters.
git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@252 d46cf337-b52f-0410-862d-fd96e6ae7743
