Reduce width of molck usage code.

modules/mol/alg/doc/molck.rst

+..  Note on large code blocks: keep max. width to 100 or it will look bad
+                               on webpage!
+
 =========================
 Molecular Checker (Molck)
 =========================
@@ -37,23 +40,23 @@ please find them following:
 .. code-block:: bash 
 
     usage: molck [options] file1.pdb [file2.pdb [...]]
-    options 
-      --complib=path       location of the compound library file. If not provided, the 
-                           following locations are searched in this order: 
-                               1. Working directory,
-                               2. OpenStructure standard library location (if the 
-                                  executable is part of a standard OpenStructure installation) 
+    options
+      --complib=path       location of the compound library file. If not provided, the
+                           following locations are searched in this order:
+                           1. Working directory,
+                           2. OpenStructure standard library location (if the
+                              executable is part of a standard OpenStructure installation)
       --rm=<a>,<b>         remove atoms and residues matching some criteria:
-                                - zeroocc - Remove atoms with zero occupancy 
-                                - hyd - Remove hydrogen atoms 
-                                - oxt - Remove terminal oxygens 
-                                - nonstd - Remove all residues not one of the 20 standard amino acids 
-                                - unk - Remove unknown and atoms not following the nomenclature
+                           - zeroocc - Remove atoms with zero occupancy
+                           - hyd - Remove hydrogen atoms
+                           - oxt - Remove terminal oxygens
+                           - nonstd - Remove all residues not one of the 20 standard amino acids
+                           - unk - Remove unknown and atoms not following the nomenclature
       --fix-ele            clean up element column
-      --stdout             write cleaned file(s) to stdout 
-      --out=filename       write cleaned file(s) to disk. % characters in the filename are 
-                           replaced with the basename of the input file without extension. 
-                           Default: %-molcked.pdb 
+      --stdout             write cleaned file(s) to stdout
+      --out=filename       write cleaned file(s) to disk. % characters in the filename are
+                           replaced with the basename of the input file without extension.
+                           Default: %-molcked.pdb
       --color=auto|on|off  whether output should be colored
       --map-nonstd         maps modified residues back to the parent amino acid, for example
                            MSE -> MET, SEP -> SER.