Fix bug in parsing of cmdr and storm arguments

[jnwatson]

Also sneak in a doc grammar fix

[codecov]

Codecov Report

Merging #2033 (a94de28) into master (a233336) will decrease coverage by 0.15%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2033      +/-   ##
==========================================
- Coverage   96.77%   96.62%   -0.16%     
==========================================
  Files         148      148              
  Lines       29126    29125       -1     
==========================================
- Hits        28188    28141      -47     
- Misses        938      984      +46     

Flag	Coverage Δ
linux	96.62% <ø> (-0.16%)	⬇️
linux_replay	?

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

Impacted Files	Coverage Δ
synapse/lib/parser.py	98.00% <ø> (-0.01%)	⬇️
synapse/models/economic.py	100.00% <ø> (ø)
synapse/tests/utils.py	93.66% <0.00%> (-2.16%)	⬇️
synapse/lib/spawn.py	89.20% <0.00%> (-0.96%)	⬇️
synapse/cortex.py	95.75% <0.00%> (-0.76%)	⬇️
synapse/lib/hiveauth.py	96.05% <0.00%> (-0.76%)	⬇️
synapse/lib/view.py	94.22% <0.00%> (-0.70%)	⬇️
synapse/lib/trigger.py	93.91% <0.00%> (-0.44%)	⬇️
synapse/common.py	97.43% <0.00%> (-0.29%)	⬇️
synapse/lib/layer.py	98.24% <0.00%> (-0.07%)	⬇️

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