Add INCLUDES and EXCLUDES to SOQL.Filter

[pgajek2]

• https://developer.salesforce.com/docs/atlas.en-us.soql_sosl.meta/soql_sosl/sforce_api_calls_soql_querying_multiselect_picklists.htm#topic-title
• https://salesforce.stackexchange.com/questions/11516/how-does-soql-consider-includes-for-multipicklist-and-or-or

[pgajek2]

Recommendation:

includes(String values);
excludes(String values);
includesAll(Iterable<String> values); // join with ;
includesSome(Iterable<String> values); // join with ,
excludesAll(Iterable<String> values); // join with ,
excludesSome(Iterable<String> values);  // join with ;