Merge branch 'master' into structure-data-model

src/reader/cif/binary/field.ts

src/reader/cif/text/field.ts

src/reader/common/binary/column.ts

src/reader/common/column.ts

src/reader/common/text/column/fixed.ts

src/reader/common/text/column/token.ts

src/reader/spec/column.spec.ts