First implementation of multiple pushers for different species

runs/cylFlow/input.json

@@ -3,12 +3,12 @@
     "path": "./runs/cylFlow/",
 	"trigger": 10,
 	"cpuTime": true,
-	"numColl": true
+	"numColl": false
   },
   "geometry": {
     "type":     "2DCyl",
     "meshType": "gmsh",
-    "meshFile": "meshTria.msh"
+    "meshFile": "mesh.msh"
   },
   "species": [
     {"name": "Argon",  "type": "neutral", "mass": 6.633e-26, "weight": 5.0e7}
@@ -30,9 +30,9 @@
     "radius": 1.88e-10
   },
   "case": {
-    "tau":  6.0e-7,
-    "time": 3.0e-3,
-    "solver": "2DCylNeutral"
+    "tau":  [6.0e-7],
+    "time":  3.0e-3,
+    "pusher": ["2DCylNeutral"]
   },
   "interactions": {
     "folderCollisions": "./data/collisions/",