Develop bugfixes 2.4.9 b

See merge request !81

Develop bugfixes 2.4.9 a

Fixing bugs when lonmin > lonmax and bug with longitudes shifting by 180º.

See merge request !80

Bugfix with corrupted data when interpolating subsets. The bug was due to missval management and longitude reordering.

Bumped version to 2.4.9

See merge request !79

Bugfix: now loading across greenwich should work fine.

See merge request !78

Develop bugfixes 2.4.7 a

Contains two bugfixes:
- Wrong loading longitudes across greenwich
- Wrong report of loaded /not loaded files.

See merge request !77

Bumped version to 2.4.7 and documentation enhancements.

See merge request !76

Develop thredds subsetting

This branch contains developments for making the most of THREDDS subsetting capabilities exploited via "ncdf4"'s ncvar_get() and its parameters 'start' and 'count'.

See merge request !62