Blockle 0.2.3 — 18 pools, deep explorer, maturity-aware wallet

Solo AND PPLNS pools for every ASIC algorithm (18 endpoints, 1% fee), the in-depth BLOCK explorer (block/tx/address pages + search, served live by the node), maturity-aware wallet balances (Spendable vs Immature tiles; clear coinbase-maturity errors), P2P dial dedupe (no more duplicate seed connections), basic-auth RPC + multi-algo share validation for parent pools, and per-pool mining pages with live miner lookup at blockle.org/mine.