Feature/optimise

[ChrisspyB]

WIP.

Main changes so far

• Keep input request as strings, and only convert to mars requests when deeper in the code. This is to avoid expensive (de)serialisation of polytope's many mars requests
• Change how we support flattening of requests: It is up to the tools / pygribjump to flatten any mars requests from the user. The gribjump C++ API will assume the requests are already flattened.

May wish to revisit this down the line.

[ChrisspyB]

todo before merge:

• Squash debugging commits
• Remove unused experimental serialisation code

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 77.85235% with 33 lines in your changes missing coverage. Please review.

Project coverage is 61.66%. Comparing base (98beec3) to head (14e3372).

Files with missing lines	Patch %	Lines
src/gribjump/Lister.cc	53.84%	6 Missing ⚠️
src/gribjump/info/InfoCache.cc	33.33%	6 Missing ⚠️
src/gribjump/gribjump_c.cc	0.00%	4 Missing ⚠️
src/gribjump/Engine.cc	94.11%	3 Missing ⚠️
src/gribjump/tools/ToolUtils.cc	82.35%	3 Missing ⚠️
src/gribjump/GribJumpException.h	0.00%	2 Missing ⚠️
src/gribjump/LocalGribJump.cc	66.66%	2 Missing ⚠️
src/gribjump/remote/RemoteGribJump.cc	33.33%	2 Missing ⚠️
src/gribjump/remote/Request.cc	0.00%	2 Missing ⚠️
src/gribjump/ExtractionData.cc	50.00%	1 Missing ⚠️
... and 2 more

Additional details and impacted files

@@             Coverage Diff             @@
##           develop      #29      +/-   ##
===========================================
- Coverage    62.05%   61.66%   -0.40%     
===========================================
  Files           85       85              
  Lines         4420     4356      -64     
  Branches       485      484       -1     
===========================================
- Hits          2743     2686      -57     
+ Misses        1677     1670       -7     

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[ChrisspyB]

Just need to test lazy jumpinfo enable/disable works as expected.