Add pear modules, mail and net_smtp via composer (#93)

Add pear modules, mail and net_smtp via composer, remove php 5.6 build due to phpunit 6

lib/composer/vendor/symfony/yaml/Tests/Fixtures/YtsSpecificationExamples.yml

@@ -509,24 +509,31 @@ test: Integers
 spec: 2.19
 yaml: |
   canonical: 12345
-  decimal: +12,345
   octal: 014
   hexadecimal: 0xC
 php: |
   array(
     'canonical' => 12345,
-    'decimal' => 12345.0,
     'octal' => 014,
     'hexadecimal' => 0xC
   )
 ---
+test: Decimal Integer
+deprecated: true
+spec: 2.19
+yaml: |
+  decimal: +12,345
+php: |
+  array(
+    'decimal' => 12345.0,
+  )
+---
 # FIX: spec shows parens around -inf and NaN
 test: Floating point
 spec: 2.20
 yaml: |
   canonical: 1.23015e+3
   exponential: 12.3015e+02
-  fixed: 1,230.15
   negative infinity: -.inf
   not a number: .NaN
   float as whole number: !!float 1
@@ -534,25 +541,19 @@ php: |
   array(
     'canonical' => 1230.15,
     'exponential' => 1230.15,
-    'fixed' => 1230.15,
     'negative infinity' => log(0),
     'not a number' => -log(0),
     'float as whole number' => (float) 1
   )
 ---
-test: Miscellaneous
-spec: 2.21
+test: Fixed Floating point
+deprecated: true
+spec: 2.20
 yaml: |
-  null: ~
-  true: true
-  false: false
-  string: '12345'
+  fixed: 1,230.15
 php: |
   array(
-    '' => null,
-    1 => true,
-    0 => false,
-    'string' => '12345'
+    'fixed' => 1230.15,
   )
 ---
 test: Timestamps
@@ -591,7 +592,7 @@ test: Various explicit families
 todo: true
 spec: 2.23
 yaml: |
-  not-date: !str 2002-04-28
+  not-date: !!str 2002-04-28
   picture: !binary |
    R0lGODlhDAAMAIQAAP//9/X
    17unp5WZmZgAAAOfn515eXv
@@ -927,10 +928,11 @@ documents: 2
 
 ---
 test: Explicit typing
+deprecated: Using the non-specific tag "!" is deprecated since Symfony 3.4 as its behavior will change in 4.0.
 yaml: |
    integer: 12
    also int: ! "12"
-   string: !str 12
+   string: !!str 12
 php: |
    array( 'integer' => 12, 'also int' => 12, 'string' => '12' )
 ---
@@ -962,7 +964,7 @@ documents: 2
 test: Type family under yaml.org
 yaml: |
   # The URI is 'tag:yaml.org,2002:str'
-  - !str a Unicode string
+  - !!str a Unicode string
 php: |
   array( 'a Unicode string' )
 ---
@@ -1349,7 +1351,7 @@ yaml: |
 
    second: 12          ## This is an integer.
 
-   third: !str 12      ## This is a string.
+   third: !!str 12      ## This is a string.
 
    span: this contains
          six spaces
@@ -1418,7 +1420,7 @@ yaml: |
    # The following scalars
    # are loaded to the
    # string value '1' '2'.
-   - !str 12
+   - !!str 12
    - '12'
    - "12"
    - "\
@@ -1517,44 +1519,46 @@ ruby: |
   }
 
 ---
-test: Boolean
-yaml: |
-   false: used as key
-   logical:  true
-   answer: false
-php: |
-   array(
-     false => 'used as key',
-     'logical' => true,
-     'answer' => false
-   )
----
 test: Integer
 yaml: |
    canonical: 12345
-   decimal: +12,345
    octal: 014
    hexadecimal: 0xC
 php: |
    array(
      'canonical' => 12345,
-     'decimal' => 12345.0,
      'octal' => 12,
      'hexadecimal' => 12
    )
 ---
+test: Decimal
+deprecated: true
+yaml: |
+   decimal: +12,345
+php: |
+   array(
+     'decimal' => 12345.0,
+   )
+---
+test: Fixed Float
+deprecated: true
+yaml: |
+   fixed: 1,230.15
+php: |
+  array(
+    'fixed' => 1230.15,
+  )
+---
 test: Float
 yaml: |
    canonical: 1.23015e+3
    exponential: 12.3015e+02
-   fixed: 1,230.15
    negative infinity: -.inf
    not a number: .NaN
 php: |
   array(
     'canonical' => 1230.15,
     'exponential' => 1230.15,
-    'fixed' => 1230.15,
     'negative infinity' => log(0),
     'not a number' => -log(0)
   )