Django-firebird

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+ Initial adjustments for support django 1.11 93
+ Add DatabaseOperations.time_trunc_sql() to support TimeField truncation 87
+ Add DatabaseOperations.datetime_cast_time_sql() to support time lookup 88
+ DatabaseIntrospection.get_constraints() enhanced due a get_indexes() deprecation 89
+ DatabaseIntrospection.get_constraints() method should include an 'orders' key 90
+ NameError: global name '_is_relevant_relation' is not defined 99
* Improvements in schema migration

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+ Schema migration: fail to alter column size with unique index 82
+ Support for BigAutoField 83
+ Fix expression generation 85
+ AttributeError: 'DatabaseWrapper' object has no attribute 'pattern_ops' 86

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+ Update README

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+ Update schema.py from django 1.9 64
+ Update operations.py 65
+ Removed unused DatabaseFeatures.can_introspect_max_length. 67

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+ Fail reading a blob field value using fdb 1.8 81

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+ Delete ForeignKey field fails (-607) if column is referenced in index 70
+ Database Introspection doesn't return correctly field_length value from get_table_description 71