Proposed BIP for OP_CAT

Summary:

In this email, the sender expresses surprise at realizing that a particular looping method does not negatively impact performance as initially thought. The sender acknowledges that the loop only involves adding a maximum of 1000 numbers, which is unlikely to have a significant impact on performance. However, the sender still feels uneasy about refactoring the file in question. The email concludes with a quote from Justin Lewis-Webster stating that the sun is always shining in space.