added Upload\FileSize validator + tests
added Upload\MimeType validator + tests
fixed pager docs + added getPagesInRange method for easier pager usage without layout class + tests
fixed incorrect namespacing of PagerTest
Merge pull request #188 from digitronac/feature/add-upload-filesize-validator

added Upload\FileSize validator + tests
Merge pull request #189 from digitronac/feature/add-upload-mimetype-validator

added Upload\MimeType validator + tests
Merge pull request #190 from digitronac/feature/fix-pager-docs

fixed incorrect Pager docs and added getPagesInRange method + Pager tests
Update README.md
Merge pull request #203 from digitronac/patch-1

Update README.md