Merge branch 'release/0.0.22' into develop
npm: update development package 'node-gyp'
readme: fixed some hyperlink which are mistakes
readme: fixed a mistake in the example of CMatrixBlock.assign()
readme: fixed a mistake in the example of 'cmat.block()'
readme: update api
src: added files of 'VectorBlock'
src: added files of 'RowVectorBlock'
src: added files of 'CVectorBlock'
src: added files of 'CRowVectorBlock'
src: support VectorBlock, CVectorBlock, RowVectorBlock, and CRowVectorBlock
npm: remove unused package
src: support VectorBlock, RowVectorBlock, CVectorBlock, and CRowVectorBlock
src: inherits from MatrixBlock
src:support VectorBlock
src:support VectorBlock
src: restrict number of arguments limit
src added instance method 'block()'
src: moved instance method 'assign()' from Block classes into Matrix classes
test: added testings for instance method 'block()'