Made changes to creating custom metadata

• Renamed get_business_attributes method get_custom_metadata in Referenceable.Attributes
• Renamed set_business_attributes method set_custom_metadata in Referenceable.Attributes
• Renamed BusinessAttributes to CustomMetadata
• Add parameter overwrite_custom_metadata to AtlanClient.upsert
• Add get_custom_metadata to CustomMetadataCache
• Update create functions

Update Create Methods

• Added create method to Column
• Updated Schema.create method to add schema to Database schemas collection
• Updated Table.create method to add table to Schema tables collection

Changes to improve usability

• Added relation_attributes parameter to IndexSearchRequest to specify the attributes to be included in each relationship that is included in the results of the search
• Set assets to empty list when no entities are returned by search
• Add classmethod ref_by_guid to Referencable
• Add classmethod ref_by_qualified_name to Referencable

0.0.20: Merge pull request #36 from atlanhq/fix_dsl

Corrected critical issue with from, size and track_total_hits in DSL object not being sent to server if the defaults weren't changed

Updated name of Environment variable

Updated the name of the initialization variable required by AtlanClient from host to base_url. Consequently the environment variable was change from ATLAN_HOST ot ATLAN_BASE_URL.

Add Publish Workflow

Added GitHub action to publish pyatlan to pypi.org.

Initial Release to Pypi

This is the initial beta release of the Python SDK to Pypi