Liberis, the U.K.-based fintech that provides finance for small businesses as an alternative to a traditional bank loan or extended overdraft, has replenished its own coffers with £70 million in funding. The round is a mixture of debt and venture debt, although the company is declining to disclose the percentage split, so we can likely chalk this up as mostly debt to fund the loans Liberis issues. Providing the financing are previous backers British Business Investments, Paragon Bank and BCI Europe, along with new partner Silicon Valley Bank (SVB). It…