Add functions to init memory, wallet, pool separately

[Patrik-Stas]

Signed-off-by: Patrik Stas patrik.stas@absa.africa

[codecov-commenter]

Codecov Report

Merging #91 into master will increase coverage by 0.03%.
The diff coverage is 48.32%.

@@            Coverage Diff             @@
##           master      #91      +/-   ##
==========================================
+ Coverage   46.80%   46.83%   +0.03%     
==========================================
  Files         123      123              
  Lines       25360    25499     +139     
  Branches     6953     6988      +35     
==========================================
+ Hits        11869    11943      +74     
- Misses       9732     9779      +47     
- Partials     3759     3777      +18     

Flag	Coverage Δ
#unittests	46.83% <48.32%> (+0.03%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
libvcx/src/utils/libindy/pool.rs	27.58% <18.75%> (+12.05%)	⬆️
libvcx/src/api/vcx.rs	61.23% <41.46%> (-3.53%)	⬇️
libvcx/src/utils/devsetup.rs	30.88% <61.53%> (+3.64%)	⬆️
libvcx/src/api/wallet.rs	49.52% <87.50%> (+0.16%)	⬆️
libvcx/src/utils/timeout.rs	100.00% <100.00%> (ø)
libvcx/src/lib.rs	33.51% <0.00%> (-0.16%)	⬇️
libvcx/src/utils/threadpool.rs	78.26% <0.00%> (+4.34%)	⬆️

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[mirgee]

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