Merge branch 'release/0.0.77' into develop
src: improve the error message
test: update some error messages of the testings
src: add instance method 'determinant()' of PartialPivLU and CPartialPivLU
test: add instance method 'determinant()' testings
readme: add instance method 'determinant()' of PartialPivLU and CPartialPivLU
lint: add some files for linting pass
npm: 0.0.77 -> 0.0.78
readme: improve some descriptions of api
Merge branch 'release/0.0.78'