Parameterised insert, update and select partially implemented
Merge pull request #150 from mattiasw2/master

For unicode in sqlserver, NVARCHAR(4000) is max.
Implemented select parameters (sill need to resolve null issue)
Implemented oracle specific create insert statement override to handle sequences correctly. Added unit tests to correctly cover inserts, updates and basic selects via lambdas for oracle.
Merged from main
Merge pull request #153 from Metal10k/SqlParamsCRUD

Sql parameters
Added Index to reserved words
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/ServiceStack.OrmLite.SqlServer/SqlServerOrmLiteDialectProvider.cs
	src/ServiceStack.OrmLite/Expressions/SqlExpressionVisitor.cs
	src/ServiceStack.OrmLite/OrmLiteDialectProviderBase.cs