Change Gas logic for allow StepInto

[shargon]

• Added THROW and THROWIFNOT unit tests
• Allow to use Hexadecimal values in byte array

Fixes:

• Before the patch was not possible to control the gas cost if you use StepInto, it just works in Execute

[codecov[bot]]

Codecov Report

Merging #556 into development will increase coverage by 0.25%. The diff coverage is 75.4%.

@@               Coverage Diff               @@
##           development     #556      +/-   ##
===============================================
+ Coverage        50.28%   50.54%   +0.25%     
===============================================
  Files              355      356       +1     
  Lines            16034    16074      +40     
===============================================
+ Hits              8063     8124      +61     
+ Misses            7971     7950      -21

Impacted Files	Coverage Δ
test/NeoSharp.VM.TestHelper/VMUTEntry.cs	100% <ø> (ø)	:arrow_up:
src/NeoSharp.VM/ExecutionEngineBase.cs	80% <ø> (ø)	:arrow_up:
...eoSharp.VM.TestHelper/VMUTExecutionContextState.cs	100% <ø> (ø)	:arrow_up:
...chain/Processing/InvocationTransactionPersister.cs	0% <0%> (ø)	:arrow_up:
src/NeoSharp.VM.NeoVM/ApplicationEngine.cs	99.64% <100%> (ø)	:arrow_up:
...oSharp.VM.TestHelper/Converters/ScriptConverter.cs	53.57% <53.57%> (ø)
src/NeoSharp.VM/Extensions/ByteArrayExtensions.cs	36.08% <0%> (+36.08%)	:arrow_up:

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