• #39 Switch to "github.com/edsrzf/mmap-go" for cross-platform mmap implementation (to make Windows builds work again)
• #37 import: JSON input processing supports --fields and --fields-from-header flags
• #30 added type sizes info found within the data section)
• #28 added low-level mmdb data to the metadata output
• #26 Fix: Compatibility Issue with IP2Location DB using int for IP Range