Merge pull request #6 from lukeaiken/54145817_about_hashes_master

about hashes master

[Delivers #54145817]
Gaining karma by learning about_strings

* Double-quoted strings

[#54145819]
Gaining karma by learning about_strings

* single-quoted strings

[#54145819]
Gaining karma by learning about_strings

* single-quoted strings

[#54145819]
Gaining karma by learning about_strings

* single-quoted strings

[#54145819]
Gaining karma by learning about_strings

* escaped quotes

[#54145819]
Gaining karma by learning about_strings

* flexible quoting

[#54145819]
Gaining karma by learning about_strings

* multiple lines

[#54145819]
Gaining karma by learning about_strings

* here documents

[#54145819]
Gaining karma by learning about_strings

* string concatenation

[#54145819]
Gaining karma by learning about_strings

* string concatenation

[#54145819]
Gaining karma by learning about_strings

* string concatenation

[#54145819]
Gaining karma by learning about_strings

* string variables

[#54145819]
Gaining karma by learning about_strings

* string variables

[#54145819]
Gaining karma by learning about_strings

* shovel operator modifies 
  original string

[#54145819]
Gaining karma by learning about_strings

* new-line is a character

[#54145819]
Gaining karma by learning about_strings

* single quoted strings do 
  not interpret escape 
  characters

[#54145819]
Gaining karma by learning about_strings

* single quoted strings do 
  not interpret escape 
  characters

[#54145819]
Gaining karma by learning about_strings

* interpolation

[#54145819]
Gaining karma by learning about_strings

* interpolation

[#54145819]