Merge pull request #70 from lotem/master

Build opencc as shared or static library in respect of CMake option...
Make DictEntry purely virtual
Implement BinaryDict for fast serialization
Disallow copying Segments
Fix build for gcc 4.6
Add some comments
Fix compatibility for C API and add docs
Tune docs
Stop using out-dated man pages
Fix a memory bug in Segments

vector::push_back may incur a copy of the whole vector, thus addresses are changed.
Reduce a string copy
Implement Segments::ToString
Simplify Segments::iterator
Fix scripts compatibility for Python3
Update readme
Fix compatibility with Python3
Fix build warnings and errors for Vistual C++
修正詞典錯詞

地名參攷淸代、民國地方誌。
Merge pull request #73 from kunki/master

修正詞典錯詞
Fix node module build for Visual Studio