added doxygen file documentation

Doxyfile

@@ -321,7 +321,7 @@ SYMBOL_CACHE_SIZE      = 0
 # Private class members and static file members will be hidden unless 
 # the EXTRACT_PRIVATE and EXTRACT_STATIC tags are set to YES
 
-EXTRACT_ALL            = YES 
+EXTRACT_ALL            = YES
 
 # If the EXTRACT_PRIVATE tag is set to YES all private members of a class 
 # will be included in the documentation.
@@ -612,7 +612,8 @@ WARN_LOGFILE           =
 # directories like "/usr/src/myproject". Separate the files or directories 
 # with spaces.
 
-INPUT                  = src include
+INPUT                  = src \
+                         include
 
 # This tag can be used to specify the character encoding of the source files 
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding, which is 
@@ -776,7 +777,7 @@ INLINE_SOURCES         = NO
 # doxygen to hide any special comment blocks from generated source code 
 # fragments. Normal C and C++ comments will always remain visible.
 
-STRIP_CODE_COMMENTS    = YES
+STRIP_CODE_COMMENTS    = NO
 
 # If the REFERENCED_BY_RELATION tag is set to YES 
 # then for each documented function all documented 

include/psyc/parser.h

@@ -1,3 +1,11 @@
+/** 
+ * @file psyc/parser.h
+ * @brief Interface for various psyc parser functions
+ *
+ * All parsing functions and the definitions they use are 
+ * defined in this file.
+*/
+
 #ifndef PSYC_PARSER_H
 # define PSYC_PARSER_H