spell check
add PolynomialTestCase
add getArray function to RectMatrix and Vector classes
Snapshot and SnapshotManager in progress
Math library pass the unit test
*** empty log message ***
except diagonalize(), all of functions in math library pass the test
more bugs get fixed at math library
more bugs are fixed in Vector class
fix some bugs in RectMatrixTestCase
implement more test cases
more tests on math library
adding more testing units
adding vector test case
adding Makefile
add SquareMatrixTestCase class
adding testing unit