Adding new scan-objects command

[moufmouf]

This command scans the list of all objects for methods returning false.
The command is only here to detect object. So far, it does not auto-generate objects.

In the process, a bug was fixed preventing the detection of ~50 falsy functions.

[coveralls]

Pull Request Test Coverage Report for Build 85

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 105 unchanged lines in 5 files lost coverage.
• Overall coverage increased (+3.5%) to 30.043%

---

Files with Coverage Reduction	New Missed Lines	%
src/DocPage.php	7	90.14%
src/Scanner.php	13	18.18%
src/Method.php	15	25.93%
src/GenerateCommand.php	24	0.0%
src/WritePhpFunction.php	46	0.0%

Totals
Change from base Build 83:	3.5%
Covered Lines:	140
Relevant Lines:	466

---

💛 - Coveralls