- TEST SUITE!
- need description for:
    * SD[FGP]/HD[FGP]
    * ONE LOOSE (one inch of loose snow?)
    * /S[01][0-9]/
    * PP000
    * SC0[467]
    * T2( SET)?
    * RTX (message separator?)
    * KS58,KH08:SEAS ?5-7, SEAS ?10-14
    * KS58:WT21 (water temperature?)
    * MM..:CONTRAIL SC (fromContrails should always be post)
    * MM..:ST LWR MT NW, ST CUSP MT
    * CALL-?OUT
    * URWI:POKR INEEM
    * SUH
    * IPZ W OBLAKAH SLABOE OBLEDENENIE
    * POKR MEST SNEGOM
    * APCLM (airport closed for maintenance?)
    * APRSM
    * RIME( ICING) ON (INDICATOR|INDCR)
    * SP..:PP000, PP002
- improve parsing:
    * complete SYNOP
    * time in remarks for K, PA (,... ?)
    * DUE TO (SN REMOVAL|ICE ACCRETION|WINTER HEATING|GROUND FG|...)
    * KAFF:/CADET AREA PK WND 26048/24/
    * KHIF:MIDFLD WND 100/15KT
    * K40B:PK WND 006/RNO 070V264
    * KADW:R19R/LSR09 R19L/LSR10
    * BIRD HAZARD RWY 06/24
- promote contents of remarks to attributes of previous tags? (e.g. ALL WNDS
  GRID -> metar/sfcWind/isGrid)
- design XML interface that could be used for a METAR server for FlightGear
- add names of passes for PATW, PAER, PAFK, PAHV, PALJ, PALV
- improve/complete translations, more languages (french?)
- buoy, and ship reports?
- provide cosmetic changes to FlightGear, SimGear as patches?
- reorder remarks scan for better performance?
- RPM, ... packaging?