update install information
fix an error for 1-d clement matrix
add binomial matrix and the test
add binomial matrix to table
add tridiag matrix
add test for tridiag matrix
add tridiag to table
add method for return matrices belongs to multiple classes
update documentation to include new feature matrixdepot(prop1, prop2, prop3..)
update readme to include new feature
add explanations for column headings of matrixdepot()
add explanations for matrix properties
some minor change
some minor change
add lehmer matrix
add test for lehmer matrix
add lehmer matrix to table
add badges
minor change
minor change