Fix ABAcalls OOG bug
Merge remote-tracking branch 'upstream/develop' into NewStateTests
Merge remote-tracking branch 'upstream/develop' into StateBug
Added stSystemOperationsTest
Merge branch 'newTests' into NewStateTests

Conflicts:
	test/vm.cpp
	test/vmArithmeticTestFiller.json
	test/vmSha3TestFiller.json
Merge remote-tracking branch 'upstream/develop' into NewStateTests
Merge branch 'StateBug' into NewStateTests
Merge remote-tracking branch 'upstream/develop' into StateBug
added state system operations test
Minor cleanup.
Detect integer length from literals and remove "std::".
Allow implicit type conversions for comparisons.
Tests for type conversion at comparison.
More information for type expectation errors.
Proper type promotion and conversion.
Type promotion fixes and tests.
Fixes for test framework (sign the transaction).
Keywords for all integer types.
Support for negative literals.
Tests for break and continue in nested loops.