- remove Worksheet#each
- Worksheet#each: traverse rows (instead cells)
- Worksheet#[]: extend to numbers
- Address: extend: numbers -> rows
- error messages: - explore, where the "causes by" comes from - VBA error messages for unexpected cases only
--- 2015-05-21 documentation: link to detailed, Book accessible in git hub --- 2015-05-21 opening connected Excel files --- 2015-04-17 acceptance tests --- 2015-04-02 set options: make it dry --- 2015.05-05 unobtrusively: if_closed: hidden --- 2015-04-27 documentation: a crisp one and a detailed one, better examples --- 2015-04-27 excel.rb: implement sucht that remove attr_writer --- 2015-04-17 unobtrusively: readonly --- 2015-04-27 tests for life cycle (weakrefs to books) --- 2015-04-01 examples for unobtrusively --- 2015-04-01 further tests for unobtrusively --- 2015-03-26 connnect: check test outputs --- 2015-01-26 simpler implementation of connect --- 2015-01-26 reopen with permenent storage --- 2015-01-26 tests for unobtrusively --- 2015-01-26 unobtrusively --- 2015-01-26 option keep_open --- 2015-01-26 separate class for book management --- 2015-04-09 unobtrusively: save book only if it saved: Test --- 2015-04-09 unobtrusively: return the block result: implementation and test --- 2015-04-09 unobtrusively: namval: return the contents of cells or region with a given name