DataStringBinary        Function to convert input data string to binary
                        polynomial
ECgenerator             Error correction code generator Generate error
                        correction code based on the input polynomial.
formatPolyGen           Function to calculate and generate format
                        polynomial
polynomialGenerator     Function to generate polynomial
qrCodeSpec              QRcode specifications and requirements.
qrFillUpMatrix          Function to fill up the data bits
qrInitMatrix            Function to initialize QRcode in matrix for
                        different version
qrInterleave            Function to interleave the Data Code and Error
                        Correction Core
qrMask                  Apply mask to the QRcode matrix
qrVersionInfo           Function to identify the version of the QRcode
                        based on input string
qrcode_gen              QRcode generator
versionPolyGen          Function to calculate and generate version
                        polynomial
