handle encoding specification in bep-eng.dic
handle encoding specification in bep-eng.dic

- use the encoding specified in bep-eng.dic to read it
- ignore the specification line while building the dictionary

tsg-ut/slackbot,tsg-ut/slackbot,tsg-ut/slackbot,tsg-ut/slackbot,tsg-ut/slackbot,tsg-ut/slackbot