Bump version number and update changelog

changelog.md

@@ -1,6 +1,9 @@
 # Changelog
 
-### v0.7.2 | in development
+### v0.7.2 | 2016-03-14
+
+* Lots of improvements to the documentation. The tutorial pages can now be downloaded and run
+  interactively as Jupyter notebooks. The entire user guide is also available as a PDF file.
 
 * The `sub_id` and `hop_id` modifier arguments can now be compared directly with their friendly
   string names. For example, this makes it possible to write `sub_id == 'A'` instead of the old
@@ -13,7 +16,11 @@
   It can be used instead of the `x, y, z, sub_id` arguments and contains a few helper methods.
   See the modifier API reference for more information.
 
-* Fixed a bug where using a single KPM object for multiple calculations could return wrong results
+* Fixed a bug where using a single KPM object for multiple calculations could return wrong results.
+
+* *Experimental* `hopping_generator` which can be used to add a new hopping family connecting
+  arbitrary sites independent of the main `Lattice` definition. This is useful for creating 
+  additional local hoppings, e.g. to model defects.
 
 
 ### v0.7.1 | 2016-02-08

pybinding/__about__.py

@@ -1,6 +1,6 @@
 """Package for numerical tight-binding calculations in solid state physics"""
 __title__ = "pybinding"
-__version__ = "0.7.1"
+__version__ = "0.7.2"
 __summary__ = "Package for tight-binding calculations"
 __url__ = "https://github.com/dean0x7d/pybinding"