Fixed minor bugs and Documents

Policy change in how to deal with OpenBLAS operation modes

• It was found that the operation of rindow-matlib is related to the operation mode of OpenBLAS, so we documented how to deal with OpenBLAS.

Complete review of type definitions

• Type definitions were applied to variables and arguments that did not have type definitions, a legacy of php7.

Additional functions

• getConfig: Get version of rindow-matlib

Bug fixes

• updateAddOnehot: fix issue that doesn't work with float64

Bug when error occurs

• Fixed minor bugs that occur when errors occur