<commit_before>Latest
------

 * Added additional functionality to the GOES module i.e. the ability to calculate GOES temperature and emission measure from GOES fluxes.  This can be done simply with a GOESLightCurve object using the function temp_em() or from numpy arrays of the GOES fluxes using goes_chianti_tem().
 * changed _maps attribute in MapCube to a non-hidden type
 * Added Nobeyama Radioheliograph data support to Lightcurve object.
 * Fixed some tests on map method to support Windows
 * Added a window/split method to time range
 * Updates to spectrogram documentation
 * Added method Database.add_from_hek_query_result to HEK database
 * Added method Database.download_from_vso_query_result
 * GOES Lightcurve now makes use of a new source of GOES data, provides metadata, and data back to 1981.
 * Removed sqlalchemy as a requirement for SunPy
 * Added support for NOAA solar cycle prediction in lightcurves
 * Some basic tests for GenericLightCurve on types of expected input.
 * Fix algorithm in sunpy.sun.equation_of_center
 * Added Docstrings to LightCurve methods.
 * Added tests for classes in sunpy.map.sources. Note that some classes (TRACE, RHESSI) were left out because SunPy is not able to read their FITS files.
 * Added functions that implement image coalignment with support for MapCubes. 
 * Cleaned up the sunpy namespace, removed .units, /ssw and .sphinx. Also moved .coords .physics.transforms. 
 * Added contains functionality to TimeRange module
 * Added t='now' to parse_time to privide utcnow datetime.
 * Fixed time dependant functions (.sun) to default to t='now'
 * Fixed solar_semidiameter_angular_size
 * Improved line quality and performances issues with map.draw_grid()
 * Remove deprecated make_map command.

0.4.0
-----
Features:

 * **Major** documentation refactor. A far reaching re-write and restructure.
 * Add a SunPy Database to store and search local data.
 * Add beta support for querying the HELIO HEC
 * Add beta HEK to VSO query translation.
 * Add the ability to download the GOES event list.
 * Add support for downloading and querying the LYTAF database.
 * Add support for ANA data.
 * Updated sun.constants to use astropy.constants objects which include units, source,
 and error instide. For more info check out http://docs.astropy.org/en/latest/constants/index.html
 * Add some beta support for IRIS data products
 * Add a new MapCubeAnimator class with interactive widgets which is returned by mapcube.peek().<commit_msg>Update changelog<commit_after>0.5.0
-----

 * Added additional functionality to the GOES module i.e. the ability to calculate GOES temperature and emission measure from GOES fluxes.
 * changed _maps attribute in MapCube to a non-hidden type
 * Added Nobeyama Radioheliograph data support to Lightcurve object.
 * Fixed some tests on map method to support Windows
 * Added a window/split method to time range
 * Updates to spectrogram documentation
 * Added method Database.add_from_hek_query_result to HEK database
 * Added method Database.download_from_vso_query_result
 * GOES Lightcurve now makes use of a new source of GOES data, provides metadata, and data back to 1981.
 * Removed sqlalchemy as a requirement for SunPy
 * Added support for NOAA solar cycle prediction in lightcurves
 * Some basic tests for GenericLightCurve on types of expected input.
 * Fix algorithm in sunpy.sun.equation_of_center
 * Added Docstrings to LightCurve methods.
 * Added tests for classes in sunpy.map.sources. Note that some classes (TRACE, RHESSI) were left out because SunPy is not able to read their FITS files.
 * Added functions that implement image coalignment with support for MapCubes. 
 * Cleaned up the sunpy namespace, removed .units, /ssw and .sphinx. Also moved .coords .physics.transforms. 
 * Added contains functionality to TimeRange module
 * Added t='now' to parse_time to privide utcnow datetime.
 * Fixed time dependant functions (.sun) to default to t='now'
 * Fixed solar_semidiameter_angular_size
 * Improved line quality and performances issues with map.draw_grid()
 * Remove deprecated make_map command.

0.4.1
-----
Bug Fixes:
    * Fix map.rotate() functionality
    * Change of source for GOES data.
    * Fix EIT test data and sunpy FITS saving
    * Some documentation fixes
    * fix file paths to use os.path.join for platform independance.

0.4.0
-----
Features:

 * **Major** documentation refactor. A far reaching re-write and restructure.
 * Add a SunPy Database to store and search local data.
 * Add beta support for querying the HELIO HEC
 * Add beta HEK to VSO query translation.
 * Add the ability to download the GOES event list.
 * Add support for downloading and querying the LYTAF database.
 * Add support for ANA data.
 * Updated sun.constants to use astropy.constants objects which include units, source,
 and error instide. For more info check out http://docs.astropy.org/en/latest/constants/index.html
 * Add some beta support for IRIS data products
 * Add a new MapCubeAnimator class with interactive widgets which is returned by mapcube.peek().
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