Allowing the "soft" keyword to be upper/lower case and anywhere in the argument list for filters. Changing the rating of the AVG_LAPSE to be the exact same as IDW_LAPSE when only two stations are available, so the input order give precedence in this case (more logical).

Better handling of the units parsing in IOUtils, fixed documentation glitches in FilterMAD and much improved error reporting in spatial interpolations

The CST spatial distribution algorithm has been split in two: CST that fills the grid with a truly constant value (as given in argument) and AVG that fills the grid with the average of the measurements. Similarly, there is now an AVG_LAPSE method.

The gridsmanager and timeseriesmanager can now provide a copy of their Config object. This has been used to fix a bug in the USER and ALS_SCALING spatial interpolation methods that were not properly reading their input files from GRID2DPATH. Moreover, now ALS_SCALING switches to CST when only 1 station provides measurements.

A new spatial interpolation method has been implemented: it takes an ALS and rescales the grid according to it. So far, it is quite primitive, more developments are expected!

The version string was delimited by " that had to be escaped for cmake. This escaping made Xcode refuse to read cmake generated project files. Removing the " and their escaping now works properly on osx, windows and linux.

Several exceptions have been renamed in order to be more generic (ex: instead of FileNotFound -> NotFound) and their text has been modified accordingly. The GSN plugin now reports the errors with more relevant details (invalid sensor name, no permissions).

Fixed a small bug in the MERGE feature and small improvements to the GSN plugin (always set a station ID, up to date documentation, more possibilities in the parameters names matching). Otherwise, minor code cleanup.

Small documentation update and relying on views for two more queries to the database (only one query remains that does not rely on views).

A few extra comments have been added to better understand the flow of data. The "merge" feature was not properly handling all situations, this should now be fixed.

The EXCLUDE/KEEP/MERGE keys (as well as the associated stationIDs) were case sensitive and this was making trouble. This is now case-insensitive. A warning flag has been changed for Clang to prevent reporting fake warnings (the flag does not make sense at all and only exists for compatibility reasons).

The MERGE feature has been much improved: the syntax now follows the (more logical) EXCLUDE/KEEP syntax: 
*WFJ::MERGE = WFJ2 WFJ1
The documentation and debug toString() have been updated.

A new "raw data editing" method has been implemented: merge_by_name. Stations sharing a common name can be merged together with the MERGE_BY_NAME key in the [Input] section. The documentation has been edited to bring visibility to the "raw data editing" features.

Micro optimizations for Sun.cc, converted an exception into a warning in ImisIO and fixing case in message in Smetio

Swapping the order of the tests hoping this could solve the issue of the "SMET plugin not found" when testing Snowpack (ie maybe the coverage compile breaks some of the plugins)

This was quite a nasty bug: in some cases, a point that could not be gridified would be re-tried, resulting in a valid point although the vector as a whole signaled that it had invalid entries. Way too many hours for that...

A bug/inconsistency has been fixed in the Winstral algorithm: when pixels are excluded because their air temperature is too high for snow, they should not contribute to the min/max erosion/deposition! A new version is now in dveelopment that takes into account the local wind field as well as a threshold on the wind speed. This is not documented as it is still highly experiemental.

Better documentation for the USER interpolation method (grids are read from GRID2DPATH or a provided sub-dir) and better info message

Fixed a bug in gridify(): cells exactly on the upper/right border where not marked as invalid (thanks Aurélien!)

Code cleanup and fix for IMIS: now the ENET stations receive the number 1 for the automatic stations instead of 0.

Moved <unistd.h> within an ifdef, removed flto for gcc on Windows (since this is currently very, very buggy on Windows).

By simplifying MeteoData, the memory consumption of a benchmark such as data_converter is reduced by almost 20%

very minor code cleanup, some comments were wrong and have been fixed, a wrong debug message has been fixed (in toString())

the USER interpolation method should now work as expected. A new method "getParameterIndex()" has been written for MeteoGrids for a future use.