Implementation of 0D dummy pusher and modifications to input parameters

to allow 0D runs.

src/modules/mesh/0D/moduleMesh0D.f90

@@ -31,6 +31,7 @@ MODULE moduleMesh0D
     !NODE FUNCTIONS
     !Init node
     SUBROUTINE initNode0D(self, n, r)
+      USE moduleSpecies
       IMPLICIT NONE
 
       CLASS(meshNode0D), INTENT(out):: self
@@ -39,6 +40,8 @@ MODULE moduleMesh0D
 
       self%n = n
 
+      ALLOCATE(self%output(1:nSpecies))
+
     END SUBROUTINE initNode0D
 
     !Get node coordinates
@@ -81,6 +84,10 @@ MODULE moduleMesh0D
       CLASS(meshVol0D), INTENT(in):: self
       INTEGER, ALLOCATABLE:: n(:)
 
+      ALLOCATE(n(1:1))
+
+      n = self%n1%n
+
     END FUNCTION getNodes0D
 
     FUNCTION randPos0D(self) RESULT(r)