Extra Fields for AISTrack

• merges #134 (by @alfonnews)
• adds additional fields to AISTrack

Adds `get_country(mmsi)` to get the code/name of country from MMSI

• closes #131
• pyais now supports country codes/names using get_country(mmsi)

FIX: inconsistent rounding behavior for ROT

• fixes inconsistent rounding behavior for ROT values
• #130

Fix: logic bug in `NoneFilter`

• fixes a logic bug in NoneFilter
• #128

Filters

• Initial release of the AIS Filters system.
• Basic filtering classes: NoneFilter, MessageTypeFilter, and DistanceFilter.
• FilterChain class to combine multiple filters into a sequence.
• Utility functions haversine and is_in_grid for distance and grid calculations.

v2.5.9: chore: adds an example for tag blocks (#126)

• adds decode_nmea_and_ais
  • use this method to get a tuple of NMEASentence and AIS payload
  • chore: also adds another example regarding tag blocks

bug fix: Navigational statuses 9, 10, 13 and Ship type 29

• bug fix: Navigational statuses 9, 10, 13 and Ship type 29
  • closes #123
  • adds Navigational statuses 9, 10, 13 to NavigationStatus
  • adds Ship type 29 to ShipType

EpfdType Enum Missing InternalGNSS

• bug fix: EpfdType Enum Missing InternalGNSS
  • closes #121

Lazily yield file-like objects

    """

• bug fix: lazily yield file-like objects by removing .readlines()
  • closes #119

bug fix: incorrect logic for type 26 messages

• bug fix: incorrect logic for type 26 messages
  • closes #116