fixed typo in test_register_returns_correct_length_bytearray
updated readme
filled in stubs for class TestHyperLogLogConstructor
filled in test max size stubs
filled in test_all_registers_initialized_to_zero stub
filled in test_size_param_correctly_determines_the_number_of_registers
added additional and distinct size check to test_k_param... function
filled in test_seed stub
added additional test stubs for set_register test cases
added sanity check stub on values in bytesarray for registers test case
filled in test merge stubs, deleted commented out code
updated readme
changed exception on set_register to index out of bounds when accessing out of bounds index and filled in negative rank test stub
added dependency note
added add'l assertion to seed param test
cleaned up comments
fixed switch formatting
fixed indexing error
added debugging method
renamed debug to _debug