v4.0.0, released 2025-01-06
    * support both 32 and 64 bases
    * added Convert command between bases

v2.0.0, released 2024-09-20 
    * move to base 62

v1.0.2, released 2024-08-08 
    * support negative values

v1.0.1, released 2024-08-08 
    * fix encoding to zero