Net-DHCP-0.9

Changes for version 0.9 - 2026-05-18

Standardise POD formatting across all modules
Implement round-trip pack/unpack for clientid, sipserv, csr
Extract magic numbers into named constants across all modules
Add PCAP-based tests with README documentation for relay DORA, LEASEQUERY
Fix gaps in PCAP-based tests: add op/secs checks, missing options, correct names
Add PCAP-based test for DHCPINFORM, RELEASE, and User-Class (77)
Implement option 52 overload handling (RFC 2132 §9.3) and fix suboption bugs
Extract _nonempty helper for defined+length guards
Add structured option 82 suboption formatting with Cisco Circuit ID/Remote ID decoding
Add DHO_PACKETCABLE_DEPRECATED format entry (hexa)
Add DHO_GEOCONF format entry and suboption formats (int/byte)
Add DHO_NWIP_SUBOPTIONS format entries (byte/inet) for option 63
Add DHO_CCC format entries (inet/string/byte/int/hexa) for option 122
Fix packsuboptions double-packing and redundant outer length
Add DHO_USER_CLASS (77) support with userclass format type per RFC 3004
Add DHO_VENDOR_ENCAPSULATED_OPTIONS (43) suboption support with CableLabs DOCSIS codes
Fix CSR default route test: restore missing prefix assertion
Document packsuboptions canonical TLV wire format in POD
Use Ref::Util instead of bare ref for type checks
Tweak imports, standardise shebangs, clean up test pragma ordering
Remove Travis CI config (service defunct), TODO file, and PLAN from tracking
RFC 3396: chunk options >255 bytes on serialize, concatenate duplicates on parse
Add $Net::DHCP::multi_value_array_ref for arrayref option values
Bump minimum Perl to 5.10.0
Rename addOption* / addOptionValue to setOption*/setOptionValue; add pushOptionValue with accumulation and backward-compat deprecation aliases
Add hexa format support to top-level setOptionValue/getOptionValue dispatch
Fix suboption vs suboptions string mismatch in setOptionValue/pushOptionValue
Add inets2 to is_list_format for pushOptionValue compatibility
Fix packsipserv force_type ip to use packinets() instead of raw string
Fix serialize suboption chunking: guard empty chunk push, croak on oversized entry
Clear sub_options_order in marshall() to prevent stale state
Add odd-length hex warning in _pack_circuit_id/_pack_remote_id
Update POD for renamed methods with deprecation notices; use RFC 5737 addresses