gui: Add tag for the current source line, show 5 lines back as well
gui: Remove all tags when switching buffer
gui: Make source view larger
gui: Fix caching of source buffers
gui: Handle tag highlighting with older lines
gui: Better colors for history
utils: Remove unused code
utils: Add get_number_of_cores()

Returns 1 right now.
model: Add a function to disassemble all symbols in threads
build: Build graphical app with optimization
gui: Parse entire file in the background
bfd-provider: Fix uninitialized variable warning