p5-NetPacket: update to 1.6.0.

1.6.0 2015-03-13
[ENHANCEMENTS]
- Clean up inheritance code (Philip Prindeville).
- Add a truckload of constants (Philip Prindeville).

[STATISTICS]
- code churn: 12 files changed, 343 insertions(+), 220 deletions(-)

1.5.0 2014-06-15
[ENHANCEMENTS]
- Addition of NetPacket::IPX. (Daniel Collins)
- NetPacket::Ethernet implements 'encode'. (RT#93928, Guido Hungerbuehler)

[STATISTICS]
- code churn: 7 files changed, 337 insertions(+), 13 deletions(-)

1.4.4 2013-11-30
[BUG FIXES]
- NetPacket::USBMon: also handle big endian perl without quad type.
  (GH#5, Andreas Schwab)
- Typo fix in comments. (GH#6, fschlich)

[STATISTICS]
- code churn: 3 files changed, 13 insertions(+), 4 deletions(-)

1.4.3 2013-10-03
[BUG FIXES]
- Unpack data in LittleEndian format. (GH#4, k0da)

[STATISTICS]
- code churn: 3 files changed, 62 insertions(+), 27 deletions(-)

1.4.2 2013-09-25
[BUG FIXES]
- Dist::Zilla::Plugin::Test::Compile was causing test to potentially hang
  on Windows. (reported by Karen Etheridge)

[MISC]
- Tidy up the changelog. (GH#3, Neil Bowers)

[STATISTICS]
- code churn: 2 files changed, 46 insertions(+), 20 deletions(-)

1.4.1 2013-09-05
[BUG FIXES]
- Test was using Errno constant and failing on some platforms.

[STATISTICS]
- code churn: 2 files changed, 15 insertions(+), 7 deletions(-)

1.4.0 2013-08-26
[DOCUMENTATION]
- Fixing NetPacked::UDP documentation. (RT#85361, Ben Magistro)

[ENHANCEMENTS]
- New NetPacket::USBMon. (GH#2, lkundrak)

[STATISTICS]
- code churn: 8 files changed, 595 insertions(+), 16 deletions(-)

1.3.3 2013-05-15
[BUG FIXES]
- Parse SACK option and fix TSecr parsing. (GH#1, Robin Lee)

[STATISTICS]
- code churn: 5 files changed, 46 insertions(+), 7 deletions(-)

1.3.2 2013-05-03
[BUG FIXES]
- Fix NetPacket::UDP's strip. (RT#85038, reported by Stan Schwertly)

[STATISTICS]
- code churn: 12 files changed, 71 insertions(+), 21 deletions(-)

(wiz)