Add more options to some utility methods

• Add allowMissingPlanEntities option to getAndValidateAllPlanEntities utility method (#71)
• Add ignoreInconsistentBudgets option to getProjectBudgetsByOrgAndCluster utility method (#71)

Add sourceProjectId column to track the source of a cloned project

New column sourceProjectId got added to project model (#72)

Don't include deleted data by default

When using find and findOne on models defined with sequelize, rows which have deletedAt field different from null are now excluded by default. New option includeDeleted should be used to include virtually deleted rows (#70)

Accept empty array parameter in createMany

[BUG FIX]
When passing empty array to createMany, error is no longer thrown, but empty array returned instead (#69)

Fix type of category.group field in model definitions

Field catagory.group is now correctly defined as a string, fixing bug where it was defined as branded integer (#68)

Add new data fetching utility methods

• Introduce getConditionFieldsForProjects utility method (#57)
• Allow for more flexible use of project lib module, where lib clients don't need to supply too much unnecessary data in params (#57)
• Introduce getProjectBudgetsByOrgAndCluster utility method (#67)

Introduce new custom where condition construction

[BREAKING CHANGE]
New custom where construction is allowing for specifying conditions like ... IS NOT NULL, WHERE [NOT] IN ..., LIKE ..., WHERE BETWEEN..., <, > comparison operators and more, in type-safe manner (#66)

Allow limit, offset and orderBy inside queries

• Enable model library clients to supply limit, offset and orderBy in their queries (#63)
• Fix createMany when used with sequelize-defined models (#65)

Define bigint and numeric columns as a union of string and number

Columns with type int8/bigint and numeric in PostgreSQL, which were previously defined with t.bigint and t.number codecs respectively, are defined as a union of t.string and t.number now (#62)

Define most of the remaining models

Following models have been defined (#46): blueprint, cache, category, categoryGroup, categoryRef, client, currency, disaggregationCategory, disaggregationCategoryGroup, disaggregationModel, emergency, emergencyLocation, endpointLog, endpointUsage, externalData, externalReference, fileAssetEntity, fileRecord, flow, flowLink, flowObject, flowObjectType, globalCluster, globalClusterAssociation, globalIndicator, iatiActivity, iatiPublisher, iatiRecipientCountry, iatiTransaction, job, jobAssociation, measurement, measurementVersion, organizationLocation, participantCountry, participantOrganization, planEmergency, planLocation, planReportingPeriod, planTag, procedureEntityPrototype, procedureSection, procedureSectionField, projectGlobalClusters, projectLocations, projectVersionComment, projectVersionPlanEntity, tag, task, unit, unitType and workflowStatusOptionStep.