v1.2

Full Changelog: v1.1...v1.2

changelog

• Makefile and CMake configured to C++11 now, std::variant is no longer used and therefore does not need to be 17
• Code cleanup in minor aspects
• Lowered heap usage (in some test cases by about ~4KB)
• Less string copying through const refs and other catches

bug fixes

• Lone quotation marks crashing, fixed in lexing
• removeQuotations() producing incorrect outputs