Add additional directories

For #57 (and #58), tweak a bit.
Make the input option an array, so commandline can also add multiple
dirs. Add app/models to the config, prepend the base_path() to every
dir.
Check if the class is a model before instantiating
Tweak multiple models

Use array instead of comma seperated
Update readme
Catch exception for normalizing

Mainly for catching exceptions in inheritdoc etc. Should fix #59
Update readme.md

Escaped underscores in model file name and spelling correction
Merge pull request #60 from briankiewel/patch-1

Update readme.md
Typo in method name check

Fixes #62
Add dynamic whereField()

Fixes #61
Also added backslash to method return types and use full Str facade, not
an alias.
Use getDates() for type check

Fixes #63
Update ModelsCommand.php

Fix for #61 - also returns query builder instance
Merge pull request #65 from hailwood/patch-1

Update ModelsCommand.php
"An Eloquent Model:" is not necessary, removed it.

Not needind it since that information is gathered by IDE* with class definition.

```class Party extends Eloquent {```

*:(almost all ide will, I guess)
Merge pull request #67 from SebSept/master

"An Eloquent Model:" is not necessary, removed it.
Update readme
Wrapping everything with namespaces to allow namespaced aliases
Merge pull request #71 from szkuwa/master

Wrapping everything with namespaces to allow namespaced aliases
Use FQN for extending/root

Otherwise it doesn't work in namespaces.
Fix helper files.

Fixes #72
Move helpers to root

To get them in the namespace.