Fix inspections in function call
fix overflow
Setup GoUnderlyingTypeArray with real length
Fix function arguments inspection
Implement Float and Integer getValue methods
fix broken Integer test
Add unary and parenthesis expression in expression result counting
Float values without any numbers after dot are also integer value
fix LiteralFunction inspection
Implement getting rune value
Implement numeric computation for literal expressions
Array length is taken from the computed value of constant expression
Merge pull request #523 from m0sth8/master

Fix inspections in function call