stack pool (#627)

cmd/state/stateless/deps.go

cmd/state/stateless/naked_accouts.go

cmd/state/stateless/naked_storage.go

cmd/state/stateless/spec_exec.go

cmd/state/stateless/state.go

cmd/state/stateless/tokens.go

cmd/state/stateless/transaction_stats.go

common/pool/pool_stack.go

core/vm/eips.go

core/vm/gas_table.go

core/vm/instructions.go

core/vm/instructions_test.go

core/vm/interpreter.go

core/vm/jump_table.go

core/vm/logger.go

core/vm/logger_json.go

core/vm/logger_test.go

core/vm/memory_table.go

core/vm/stack/stack.go

eth/tracers/tracer.go