Changed headers in README

Author: salotz

README.org

@@ -9,7 +9,7 @@ As such amino acid "residues" are usually part of the fundamental datastructures
 Design decisions like this and others are essentially isomorphic to the way textbooks write about these molecules.
 My experience was that while this is convenient for simple systems more complicated systems with many proteins, small molecules, etc. quickly become difficult to query and manipulate.
 
-Overarching Goals:
+** Overarching Goals
 1) An abstract layer for representing multi-atom structures and selections that is extensible via object-oriented programming in Python.
 2) An applied layer of advanced subclasses that represents the objects (Features) which are more isomorphic to textbook knowledge including:
    - Organic chemistry features e.g. functional groups
@@ -29,26 +29,23 @@ Overarching Goals:
    - profiling of receptor-ligand interactions
    - profiling of protein-protein interactions
 
-Design Goals:
+** Design Goals
 1) Separation of types (i.e. classes; e.g. protein topology) and instances (i.e. type + coordinates).
 2) Separation and development of both expressive and complete patterns.
 2) Ability to incorporate data from many other libraries representations easily via an extensible interface.
 3) Ability to use portions of this library as a stable and fairly future-proof solution across the python ecosystem.
 4) Minimal core dependencies, with optional features provided by other libraries.
 
-Other goals:
+** Other goals
 1) Language agnostic file-format for storing objects and preserving complex relations within them, i.e. hdf5.
 2) Ability to export representations to many other commonly used formats (PDB dialects perhaps?).
 3) Optimization and parallelization built in.
 4) Optional type system (via python type hints and mypy) for developing and debugging the construction of molecules and systems.
 5) API for accessing databases of Features.
 
+** Usage
 The immediate "killer feature" will be for easily profiling intermolecular interactions, but there is definitely potential for use in setting up complex multi-molecular systems, structural analyses, and complex distance metric calculations in enhanced sampling simulations.
 
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 * Version numbers
 
 See [[http://semver.org/]] for version number meanings.