Merge branch 'release/0.0.84' into develop
readme: update examples for instance method 'get()'
src: support the vector clases can do dot-product with the matrix classes
test: update the instance method 'dot()' testings
readme: update the instance method 'dot()' api
npm: 0.0.84 -> 0.0.85
Merge branch 'release/0.0.85'