2 0.14.0 - dumping functions
3 - backtrack only to remove ifs
5 - configure for GMP and Solaris
7 0.14.1 - remove the constraint that all scattering functions must have the same
8 dimensionality and use the new liberty degrees to generate better codes
9 (e.g. continue loop fusion only when the stride is the same...)
10 - if-hoisting instead of backtracking by option
12 0.14.2 clean loop during generation (haircut and never_integral)
14 0.14.3 allow non-integral scattering (easy: see PACT paper)
18 1.0.0 Omega-like input.