Minor release v0.2.0

• New macros TEST_ASSERT_CALLED_IN_ORDER()
• Handling of const and pointer arguments and return types
• Support for header subdirectories (for ThrowTheSwitch/Ceedling#512)
• Fixes for several compiler warnings
• FFF distribution updated to v1.1

Fix for const functions

Merge pull request #2 from ElectronVector/fix-const-pointer-return-type

Fix fake function generation for const functions