Merge remote-tracking branch 'origin/develop' into HEAD

docs/bugs_by_version.json

@@ -1365,5 +1365,9 @@
             "EmptyByteArrayCopy"
         ],
         "released": "2020-10-07"
+    },
+    "0.7.4": {
+        "bugs": [],
+        "released": "2020-10-19"
     }
 }

docs/using-the-compiler.rst

@@ -341,7 +341,12 @@ Input Description
           "def": {
             "MyContract": [ "abi", "evm.bytecode.opcodes" ]
           }
-        }
+        },
+      },
+      "modelCheckerSettings":
+      {
+        // Choose which model checker engine to use: all (default), bmc, chc, none.
+        "engine": "chc"
       }
     }