feature #2858: Convert to unsigned int from vector attributes
feature 2858: Removed duplicated code
feature #2858: Implementation of Address Range class
feature #2858: Allocate addresses by MAC or IP
feature #2858: Work on AddressRange class
feature #2858. Clear and to_xml on streams for VectorAttributes
feature #2858: First version of AddressRangePool
feature #2858: Integrate AddressRangePool with VirtualNetwork: persistency & initialization
feature #2858: Allocate & free functions for the address range pool
feature #2858: Integrate Address Ranges with VirtualNetwork and VirtualMachine
feature #2858: Adds lease usage information to XML descriptions
feature #2858: Update onevm and onevnet command line tools
feature #2858: Support for Address Range attributes in context
feature #2858: Hold first matching lease if no address range is specified
feature #2858: Hold and Release for IP/MAC addresses in all Address Ranges. Keep compatibility with 4.6 interface
feature #2858: Updated OCA interface for VirtualNetwork objects. Added option to select an address range to hold/release an IP address
feature #2858: Add support for MAC addresses at OCA and CLI
feature #2858: Remove old code
feature #2858: onevnet: do not fail on empty address range pool
feature #2858: Fix error message