Updated IRDB API to better support shared libraries.

.gitattributes

libIRDB/include/core/address.hpp

libIRDB/include/core/file.hpp

libIRDB/include/core/fileir.hpp

libIRDB/include/core/function.hpp

libIRDB/include/core/instruction.hpp

libIRDB/include/core/variantid.hpp

libIRDB/include/libIRDB-core.hpp

libIRDB/src/core/Makefile

libIRDB/src/core/address.cpp

libIRDB/src/core/file.cpp

libIRDB/src/core/function.cpp

libIRDB/src/core/generate_spri.cpp

libIRDB/src/core/instruction.cpp

libIRDB/src/core/variantid.cpp

libIRDB/src/core/variantir.cpp

libIRDB/test/Makefile

libIRDB/test/calc_conflicts.cpp

libIRDB/test/clone.cpp

libIRDB/test/create_variantir.cpp