Rhine River

Add

• [NEW] Add HMM cut support
• [NEW] Add go mod support and remove dep files
• [NEW] Add find word in dictionary func
• [NEW] Add Cut(), CutAll(), CutSearch(), LoadModel(), HMMCut() func
• [NEW] Add hmm cut test code
• [NEW] Add hmm cut example code

Update

• [NEW] Cutting the dict method, move load dictionary to dict_util.go
• [NEW] Update example and Add more test
• [NEW] Update and clean utils code
• [NEW] Simplify test code, add equal benchmark code
• [NEW] Update pkg cedar code
• [NEW] Update code style
• [NEW] Update README.md [ Format README.mdand Update example ]

Fix

• [FIX] Fixed and clean issue template
• [FIX] Update README.md [ update and fixed example ]

See Commits for more details, after Oct 9.