Refactor + tests (#6)

- Minor codebase clean-up
- Slight reorganisation of examples + tests so that we don't break stuff by accident
- CI tests

reactics-bdd/in/old_syntax/expr.drs

@@ -0,0 +1,31 @@
+#
+# x', and y' are denoted by xp, and yp, respectively 
+#
+
+
+reactions {
+    { { x; },{ Ix; } -> { x; } };
+    { { x; },{ X; Z; } -> { xp; } };
+    { { x; xp; },{ Iex; } -> { X; } };
+    { { y; },{ Iy; } -> { y; } };
+    { { y; }, { Q; } -> { yp; } };
+    { { y; yp; },{ Iey; } -> { Y; } };
+    { { z; },{ Iz; } -> { z; } };
+    { { z; },{ X; } -> { zp; } };
+    { { z; zp; },{ Iez; } -> { Z; } };
+    { { U; X; },{ IQ; } -> { Q; } };
+}
+
+action-atoms { U; }
+
+initial-state { x; y;  } 
+
+#ctl-property { EG ( EF Q ) }
+#ctl-property { AG ( Q IMPLIES AX ~yp ) }
+
+#ctl-property { AG ( ( x AND xp AND U ) IMPLIES EF Q )  }
+
+#ctl-property { EG ( ~Q ) }
+
+ctl-property { AU ( ~yp , EX(EX(X)) ) }
+