this release has a breaking change; see packethook in readme

• fixes #1 (crash in client mode)
• fix ipv6 on macos 6b1ade7
• fix msoulier#113 (upload from stdin, download to stdout) 0087f02
• support buggy servers/clients
  • grandstream GXV3450: fix msoulier#141 so options with blank values are ignored 8e52f3d
  • mobaxterm: fix msoulier#136 so OACKs with multiple null-terminators are repaired 236fb08
• robustness
  • dont panic if an ack/oack is delayed enough to be retransmitted but both eventually makes it through 72acb11
• the bundled server/client programs:
  • now works eeb9953
  • supports ipv6 10d504b
  • has better transfer progress info when run with -t f2e10d3
    • fixes msoulier#103

mainly cosmetic bugfixes

• support IPv6
• support UTF-8 filenames
• performance optimizations

add portrange option (alternative to ephemerals)