EF: Implement an operator table with precedences, instead of adding parentheses in an ad-hoc way thas sometimes generates wrong SQL.
Merge branch 'master' of https://github.com/npgsql/Npgsql into operator-precedence-ef
Implement the DateDiff functions. The old implementation wasn't even close to do the right thing. Also add some operator tests.
Add timetz mapping for EF in provider manifest.
Fix precision extraction for interval type in NpgsqlSchema.ssdl.
Add support for DateTimeOffset/timestamptz casting in EF.
Add support for literal byte values (cast to int2) in EF.
Change literal time values to interval values in EF.
Add tests for operators, date functions and data types.
Merge branch 'master' of https://github.com/npgsql/Npgsql into operator-precedence-ef
Ignore failing EF tests on mono (probably due to bug in mono).
Merge pull request #287 from Emill/operator-precedence-ef

Fix operator handling and date functions for EF