Quijote kNN adding (#62)

* Fix small bug

* Add fiducial observers

* Rename 1D knn

* Add new bounds system

* rm whitespace

* Add boudns

* Add simname to paths

* Add fiducial obserevrs

* apply bounds only if not none

* Add TODO

* add simnames

* update script

* Fix distance bug

* update yaml

* Update file reading

* Update gitignore

* Add plots

* add check if empty list

* add func to obtaining cross

* Update nb

* Remove blank lines

* update ignroes

* loop over a few ics

* update gitignore

* add comments

scripts/cluster_knn_auto.yml

@@ -1,8 +1,8 @@
 rmin: 0.1
 rmax: 100
-nneighbours: 64
-nsamples: 1.e+7
-batch_size: 1.e+6
+nneighbours: 8
+nsamples: 1.e+5
+batch_size: 5.e+4
 neval: 10000
 seed: 42
 nbins_marks: 10
@@ -15,19 +15,25 @@ nbins_marks: 10
 
 "mass001":
   primary:
-    name: totpartmass
+    name:
+    - totpartmass,
+    - group_mass
     min: 1.e+12
     max: 1.e+13
 
 "mass002":
   primary:
-    name: totpartmass
+    name:
+    - totpartmass,
+    - group_mass
     min: 1.e+13
     max: 1.e+14
 
 "mass003":
   primary:
-    name: totpartmass
+    name:
+    - totpartmass,
+    - group_mass
     min: 1.e+14