Merge pull request #7 from lukeaiken/54145819_about_strings_master

about strings master

[Delivers #54145819]
Gaining karma by learning about_symbols

* Symbol Class

[#54145821]
Gaining karma by learning about_symbols

* Symbol comparison

[#54145821]
Gaining karma by learning about_symbols

* Symbol object_id

[#54145821]
Gaining karma by learning about_symbols

* Methods become symbols

[#54145821]
Gaining karma by learning about_symbols

* Methods become symbols

[#54145821]
Gaining karma by learning about_symbols

* string.to_sym

[#54145821]
Gaining karma by learning about_symbols

* string.to_sym

[#54145821]
Gaining karma by learning about_symbols

* string.to_sym

[#54145821]
Gaining karma by learning about_symbols

* symbol.to_s

[#54145821]
Gaining karma by learning about_symbols

* symbols are not strings

[#54145821]
Gaining karma by learning about_symbols

* symbols do not have string methods

[#54145821]
Gaining karma by learning about_symbols

* symbols may not be concatenated

[#54145821]
Gaining karma by learning about_symbols

* symbols generate dynamically

[#54145821]