1.1.0 (2020 Feb): Improvements & fixes

Improvements:

• Print stats for template sets (i.e. all instantiations of a particular template) (#17, #24).
• Support Clang 10 (#23), Clang 11 (77c97), and allow different clang executable names (#34).
• Added CMake build scripts (#31, #35).

Fixes:

• Support longer file extensions (#27).
• Fix Linux Clang 9 build (#18).
• Support out-of-tree builds with make (#16), and respect LDFLAGS (#29).
• Fix getcwd usage (#32).