* tbel: number to string by radix
* Revert "tbel: number to string by radix"
This reverts commit 0fd285d76b5f25002f84768ab490e750539509d0.
* tbel: number to string by radix and new Error
* tbel: number to Hexadecimal must be even-length.
* tbel: add tests isBinary...isHexadecimal
* tbel: Comments 1
* tbel: Comments 2
* tbel: Comments 3