strcut working
Merge branch 'gitignore_fix' into intertarget-code
Active negative test for string append
stack.ll separated into string.ll and stack.ll
tests script adjusted to new string.ll file
out sourced arithmetics
linked math.ll
out sourced compare functionality
out sourced compare functionality
linked cmp.ll
linking now to *.ll
updated llvm-link command in documentation
Cleanup binary files
Mailmap file for git shortlog
Proper comment headers for the backend LLVM functions.

Issue #32.
Proper contributors for Backend and intermediate code gen.

Issue #32.
#32: "Maintainer", not "Maintainers".
Merge branch 'intertarget-code'

Conflicts:
	tests/integration_tests