Fixes non working anchors in the Types files

Headers were changed to senetence case and broke some links.

This fixes the links so they point to the changed anchors

Author: MorayJ

doc/Type/Bag.pod6

@@ -91,7 +91,7 @@ say $a ⊖ $b;  # OUTPUT: «bag(3(2), 2)␤»
 say $a ⊎ $b;  # OUTPUT: «bag(2(3), 4(2), 3(2))␤»
 =end code
 
-See L<Set/Bag Operators|/language/setbagmix#Set/Bag_Operators> for a complete list of set and bag operators
+See L<Set/Bag Operators|/language/setbagmix#Set/Bag_operators> for a complete list of set and bag operators
 with detailed explanations.
 
 =head1 Subroutines

doc/Type/BagHash.pod6

@@ -96,7 +96,7 @@ say $a ⊖ $b;  # OUTPUT: «bag(3(2), 2)␤»
 say $a ⊎ $b;  # OUTPUT: «bag(2(3), 4(2), 3(2))␤»
 =end code
 
-See L<Set/Bag Operators|/language/setbagmix#Set/Bag_Operators> for a complete list of
+See L<Set/Bag Operators|/language/setbagmix#Set/Bag_operators> for a complete list of
 set and bag operators with detailed explanations.
 
 =head1 Note on C<reverse> and ordering.

doc/Type/Code.pod6

@@ -117,7 +117,7 @@ Defined as:
 
     method of(Code:D: --> Mu)
 
-Returns the L<return type constraint|/type/Signature#Constraining_Return_Types>
+Returns the L<return type constraint|/type/Signature#Constraining_return_types>
 of the C<Code>:
 
     say -> () --> Int {}.of; # OUTPUT: «(Int)␤»

doc/Type/Mix.pod6

@@ -65,7 +65,7 @@ the (cumulative) values become the associated numeric weights:
 TODO: Expand this section (using the corresponding section in lib/Type/Bag.pod
 as a guide) after ab5tract's set/bag/mix operator redesign.
 
-See L<Set/Bag Operators|/language/setbagmix#Set/Bag_Operators> for a complete list of set and bag operators
+See L<Set/Bag Operators|/language/setbagmix#Set/Bag_operators> for a complete list of set and bag operators
 with detailed explanations.
 
 =head2 sub mix

doc/Type/MixHash.pod6

@@ -75,7 +75,7 @@ lib/Type/BagHash.pod as a guide) after ab5tract's set/bag/mix operator redesign.
 
 =end comment
 
-See L<Set/Bag Operators|/language/setbagmix#Set/Bag_Operators> for a complete list of set and bag operators
+See L<Set/Bag Operators|/language/setbagmix#Set/Bag_operators> for a complete list of set and bag operators
 with detailed explanations.
 
 =head1 Methods

doc/Type/Mu.pod6

@@ -487,16 +487,16 @@ Marks a type as being exported, that is, available to external users.
 A user of a module or class automatically gets all the symbols imported that
 are marked as C<is export>.
 
-See L<Exporting and Selective Importing Modules|/language/modules#Exporting_and_Selective_Importing>
+See L<Exporting and Selective Importing Modules|/language/modules#Exporting_and_selective_importing>
 for more details.
 =head2 method return
 
     method return()
 
 The method C<return> will stop execution of a subroutine or method, run all
-relevant L<phasers|/language/phasers#Block_Phasers> and provide invocant as a
+relevant L<phasers|/language/phasers#Block_phasers> and provide invocant as a
 return value to the caller. If a return
-L<type constraint|/type/Signature#Constraining_Return_Types> is provided it will be
+L<type constraint|/type/Signature#Constraining_return_types> is provided it will be
 checked unless the return value is C<Nil>. A control exception is raised and
 can be caught with L<CONTROL|/language/phasers#CONTROL>.
 

doc/Type/Parameter.pod6

@@ -232,7 +232,7 @@ Defined as:
     method invocant(Parameter:D: --> Bool:D)
 
 Returns C<True> if the parameter is the
-L<invocant parameter|/type/Signature#Parameter_Separators>.
+L<invocant parameter|/type/Signature#Parameter_separators>.
 
 =head2 method default
 
@@ -267,7 +267,7 @@ c(4, 5, "six");      # Fails when assigning to $zz, wants Int not Str
 c("four", 5, "six"); # Fails when binding $y, wants Str, not Int
 
 Type captures may be used at the same time as
-L<type constraints|/type/Signature#Type_Constraints>.
+L<type constraints|/type/Signature#Type_constraints>.
 
 =for code
 sub d(::T Numeric $x, T $y) {};

doc/Type/Routine.pod6

@@ -276,7 +276,7 @@ say double 21;      # 42
 From inside another file you'd say C<use Foo;> to load a module and import the
 exported functions.
 
-See L<Exporting and Selective Importing Modules|/language/modules#Exporting_and_Selective_Importing>
+See L<Exporting and Selective Importing Modules|/language/modules#Exporting_and_selective_importing>
 for more details.
 
 =head2 trait is DEPRECATED

doc/Type/Set.pod6

@@ -75,7 +75,7 @@ say $a ∩ $b;  # OUTPUT: «set(2)␤»
 say $a ⊖ $b;  # OUTPUT: «set(1, 3, 4)␤»
 =end code
 
-See L<Set/Bag Operators|/language/setbagmix#Set/Bag_Operators> for a complete
+See L<Set/Bag Operators|/language/setbagmix#Set/Bag_operators> for a complete
 list of set operators with detailed explanations.
 
 =head1 Subroutines

doc/Type/Signature.pod6

@@ -540,7 +540,7 @@ is not available inside the called function.
 
 Slurpy parameters have special behaviors when combined with some
 L<traits and modifiers|#Parameter_Traits_and_Modifiers>,
-as described in L<the section on slurpy array parameters|/type/Signature#Types_of_Slurpy_Array_Parameters>.
+as described in L<the section on slurpy array parameters|/type/Signature#Types_of_slurpy_array_parameters>.
 
 =head2 Types of slurpy array parameters
 
@@ -616,7 +616,7 @@ c(1, [1, 2], ([3, 4], 5)); # OUTPUT: «[1, [1, 2], ([3, 4], 5)]␤»
 c(($_ for 1, 2, 3));       # OUTPUT: «[1, 2, 3]␤»
 =end code
 
-For additional discussion and examples, see L<Slurpy Conventions for Functions|/language/functions#Slurpy_Conventions>.
+For additional discussion and examples, see L<Slurpy Conventions for Functions|/language/functions#Slurpy_conventions>.
 
 X<|Type capture>
 =head2 Type captures