Fix, speak letter names of Hangul (Korean) characters. Fix, ChangePhoneme(NULL) caused problems for word-gap options. Recognize Arabic comma U+060C. Languages changes: pt, nl, bn, te, da. git-svn-id: https://espeak.svn.sourceforge.net/svnroot/espeak/trunk@336 d46cf337-b52f-0410-862d-fd96e6ae7743